ISTI-ansible-roles
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ansible-role-postfix
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Import the old postfix role.

This commit is contained in:
Andrea Dell'Amico 2020-06-08 16:57:40 +02:00
parent ee69001314
commit c8619cabfb
25 changed files with 2481 additions and 69 deletions
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23
README.md
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Role Name
=========
A brief description of the role goes here.
Requirements
------------
Any pre-requisites that may not be covered by Ansible itself or the role should be mentioned here. For instance, if the role uses the EC2 module, it may be a good idea to mention in this section that the boto package is required.
A role that installs and configures sendmail. With support for the spamassassin and clamav milters
Role Variables
--------------
A description of the settable variables for this role should go here, including any variables that are in defaults/main.yml, vars/main.yml, and any variables that can/should be set via parameters to the role. Any variables that are read from other roles and/or the global scope (ie. hostvars, group vars, etc.) should be mentioned here as well.
There are too many, see the defaults file.
Dependencies
------------
A list of other roles hosted on Galaxy should go here, plus any details in regards to parameters that may need to be set for other roles, or variables that are used from other roles.
The dependencies are optional
Example Playbook
----------------
Including an example of how to use your role (for instance, with variables passed in as parameters) is always nice for users too:
- hosts: servers
roles:
- { role: username.rolename, x: 42 }
- clamav
- spamassassin
License
-------
@ -35,4 +24,4 @@ EUPL-1.2
Author Information
------------------
An optional section for the role authors to include contact information, or a website (HTML is not allowed).
Andrea Dell'Amico, <andrea.dellamico@isti.cnr.it>

187
defaults/main.yml
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---
# defaults file for ansible-role-template
postfix_enabled: True
postfix_install_packages: True
postfix_relay_rh_pkgs:
- postfix
- cyrus-sasl-lib
- cyrus-sasl-plain
- cyrus-sasl-md5
postfix_relay_deb_pkgs:
- postfix
- libsasl2-2
#############################################################################
# Set them to true when you want configure your machine to send email to a relay
#############################################################################
postfix_relay_client: False
postfix_use_relay_host: '{{ postfix_relay_client }}'
postfix_biff: "no"
postfix_append_dot_mydomain: "no"
postfix_use_letsencrypt: False
postfix_tls_encryption_level: 'intermediate'
postfix_tls_dhparam_size: 2048
postfix_tls_dhparam_file: /etc/postfix/dhparam.pem
# Accepted values: none, may, encrypt
postfix_smtpd_tls_security_level: encrypt
# Accepted values: none, may, encrypt, fingerprint, verify, secure. And from 2.11: dane, dane-only
postfix_smtp_tls_security_level: may
postfix_use_sasl_auth: True
postfix_smtp_sasl_auth_enable: "yes"
postfix_smtp_create_relay_user: True
# Options: noanonymous, noplaintext
postfix_smtp_sasl_security_options: noanonymous
postfix_smtp_sasl_tls_security_options: '{{ postfix_smtp_sasl_security_options }}'
postfix_smtp_sasl_mechanism_filter: plain, login
# Set it in your vars files
#postfix_relay_host: smtp-relay.example.com
postfix_relay_port: 587
#postfix_smtp_relay_user: smtp-user
postfix_smtp_relay_user: '{{ ansible_fqdn }}'
# This one has to be set inside a vault file
#postfix_smtp_relay_pwd: 'set_you_password_here_in_a_vault_encrypted_file'
postfix_smtpd_reject_unknown_helo_hostname: False
postfix_reject_unknown_sender_domain: True
#############################################################################
# Relay server: accepts authenticated clients
#############################################################################
postfix_relay_server: False
#
postfix_use_milter: False
postfix_spamassassin_milter: False
postfix_spamassassin_milter_socket: 'unix:/run/spamass-milter/postfix/sock'
postfix_clamav_milter: False
# inet:[127.0.0.1]:7357
postfix_clamav_milter_socket: 'unix:/run/clamav-milter/clamav-milter.socket'
# Specify accept, reject, tempfail, quarantine
postfix_milter_action: tempfail
#############################################################################
# SMTP server that not accept authenticated clients.
#############################################################################
postfix_smtpd_server: False
# SMTP server that routes emails coming from outside
#############################################################################
postfix_mx_server: False
#############################################################################
# SMTP submission server: accepts authenticated clients
#############################################################################
postfix_submission_server: False
###########################################################################################
# The following options are used when acting as a relay or as a general purpose SMTP server
###########################################################################################
postfix_use_inet_interfaces: False
postfix_inet_interfaces:
- all
postfix_inet_protocols:
- all
postfix_proxy_interfaces_enabled: False
postfix_proxy_interfaces:
- 127.0.0.1
postfix_message_size_limit: 10240000
postfix_sasl_deb_packages:
- sasl2-bin
postfix_sasl_rh_packages:
- cyrus-sasl
postfix_saslauthd_mech: 'pam'
postfix_saslauthd_flags: ''
postfix_saslauthd_conf_file: '/etc/saslauthd.conf'
#
postfix_sasl_ldap_servers: ldap://localhost
postfix_sasl_ldap_bind_dn: cn=saslauthd,ou=dsa,dc=example,dc=com
# postfix_sasl_ldap_bind_pw: set inside a vault file
postfix_sasl_ldap_timeout: 10
postfix_sasl_ldap_time_limit: 10
postfix_sasl_ldap_scope: sub
postfix_sasl_ldap_search_base: ou=people,dc=example,dc=com
postfix_sasl_ldap_auth_method: bind
postfix_sasl_ldap_filter: (&(uid=%u)(mail=*))
postfix_sasl_ldap_debug: 0
postfix_sasl_ldap_verbose: off
postfix_sasl_ldap_ssl: no
postfix_sasl_ldap_starttls: yes
postfix_sasl_ldap_referrals: no
#
postfix_use_domain_name: False
postfix_virtual_transport_enabled: False
postfix_virtual_transport_protocol: 'lmtp'
postfix_lmtp_protocol: 'inet'
postfix_lmtp_host: '127.0.0.1'
postfix_lmtp_port: 24
postfix_delivery_soft_bounce: False
postfix_recipient_delimiter: '+'
postfix_local_recipients: False
postfix_transport_map_enabled: False
postfix_transport_maps:
- 'hash:/etc/postfix/transport'
postfix_transport_data: []
#
# Example:
# postfix_transport_data:
# - { domain: 'example.com', action: 'smtp:[dest.smtp.example.com]:25' }
postfix_rbl_enabled: True
postfix_rbl_list: 'zen.spamhaus.org'
postfix_mynetworks: hash:/etc/postfix/network_table
postfix_mynetworks_data:
- '127.0.0.0/8'
- '127.0.0.1'
postfix_alias_maps:
- 'hash:/etc/aliases'
postfix_alias_databases: '{{ postfix_alias_maps }}'
postfix_virtual_addresses: False
postfix_virtual_mailbox_domains: 'hash:/etc/postfix/virtual_domains'
postfix_virtual_mailbox_domains_data: []
#
# Example. The 'action' part is optional:
# postfix_virtual_mailbox_domains_data:
# - { domain: 'example.com', action: 'OK' }
postfix_virtual_mailbox_maps:
- 'hash:/etc/postfix/vmailbox_maps'
postfix_virtual_domains: False
postfix_virtual_alias_domains: 'hash:/etc/postfix/virtual_domains'
postfix_virtual_alias_domains_data: []
#
# Example. The 'action' part is optional:
# postfix_virtual_alias_domains_data:
# - { domain: 'example.com', action: 'OK' }
postfix_virtual_alias_maps:
- 'hash:/etc/postfix/virtual'
postfix_local_dest_concurrency_limit: 2
postfix_default_destination_concurrency_limit: 5
postfix_behind_haproxy: False
postfix_postscreen_port: 1024
#
# Nagios monitoring
#
postfix_nagios_check: False
postfix_nagios_checks:
- check_postfix_mailqueue
- check_postfix_processed
nagios_postfix_mailq_w: 20
nagios_postfix_mailq_c: 50
nagios_postfix_processed_w: 50
nagios_postfix_processed_c: 150
postfix_firewalld_services:
- { service: 'smtp', state: 'enabled', zone: '{{ firewalld_default_zone }}' }
- { service: 'smtps', state: 'enabled', zone: '{{ firewalld_default_zone }}' }
- { service: 'smtp-submission', state: 'enabled', zone: '{{ firewalld_default_zone }}' }

181
files/check_postfix_mailqueue Normal file
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#!/bin/bash
###################################################################
# check_postfix_mailqueue is developped with GPL Licence 2.0
#
# GPL License: http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
#
# First version developped by : Bjoern Bongermino
#
###################################################################
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
####################################################################
#
# original https://gist.github.com/alexlehm/8084195
#
# created by McArt <hello@mcart.ru> http://www.mcart.ru/
# Uncomment to enable debugging
# set -x
PROGNAME=`basename $0`
VERSION="Version 2.0"
AUTHOR="McArt (http://www.mcart.ru)"
STATE_OK=0
STATE_WARNING=1
STATE_CRITICAL=2
STATE_UNKNOWN=3
warning=unknown
critical=unknown
print_version() {
echo "$PROGNAME $VERSION $AUTHOR"
}
print_help() {
print_version $PROGNAME $VERSION
echo ""
echo "$PROGNAME - Checks postfix mailqueue statistic"
echo ""
echo "$PROGNAME is a Nagios plugin which generates statistics"
echo "for the postfix mailqueue and checks for corrupt messages."
echo "The following values will be checked:"
echo "active: Mails being delivered (should be small)"
echo "deferred: Stuck mails (that will be retried later)"
echo "corrupt: Messages found to not be in correct format (should be 0)"
echo "hold: Recent addition, messages put on hold indefinitly - delete of free"
echo "bounced: Bounced mails"
echo ""
echo "Usage: $PROGNAME -w WARN-Level -c CRIT-Level"
echo ""
echo "Options:"
echo " -w)"
echo " Warning level for active mails"
echo " -c)"
echo " Critical level for active mail"
echo " -h)"
echo " This help"
echo " -v)"
echo " Version"
exit $STATE_OK
}
# Check for parameters
while test -n "$1"; do
case "$1" in
-h)
print_help
exit $STATE_OK;;
-v)
print_version
exit $STATE_OK;;
-w)
warning=$2
shift
;;
-c)
critical=$2
shift
;;
*)
echo "Usage: ./check_postfix_mailqueue2.sh -w <Warning level for active mails> -c <Critical level for active mail>"
;;
esac
shift
done
if [ $warning == "unknown" ] || [ $critical == "unknown" ]; then
echo "You need to specify warning and critical for active mails"
echo "Usage: ./check_postfix_mailqueue2.sh -w <warn> -c <crit>"
exit $STATE_UNKNOWN
fi
# make sure CRIT is larger than WARN
if [ $warning -ge $critical ];then
echo "UNKNOWN: WARN value may not be greater than or equal the CRIT value"
exit $OK
fi
check_postfix_mailqueue() {
# Can be set via environment, but default is fetched by postconf (if available,
# else /var/spool/postfix)
if which postconf > /dev/null ; then
SPOOLDIR=${spooldir:-`postconf -h queue_directory`}
else
SPOOLDIR=${spooldir:-/var/spool/postfix}
fi
cd $SPOOLDIR >/dev/null 2>/dev/null || {
echo -n "Cannot cd to $SPOOLDIR"
exit $STATE_CRITICAL
}
for d in deferred active corrupt hold
do
if [ ! -r $d ]
then
echo -n "queue dir '$d' is not readable"
exit $STATE_CRITICAL
fi
done
# Get values
deferred=`(test -d deferred && find deferred -type f ) | wc -l`
active=`(test -d active && find active -type f ) | wc -l`
corrupt=`(test -d corrupt && find corrupt -type f ) | wc -l`
hold=`( test -d hold && find hold -type f ) | wc -l`
bounced=`cat /var/log/mail.log | grep bounced | wc -l`
}
check_postfix_mailqueue
values="Deferred mails=$deferred Active deliveries=$active Corrupt mails=$corrupt Mails on hold=$hold Bounced mails=$bounced"
perfdata="deferred=$deferred;; active=$active;; corrupt=$corrupt;; hold=$hold;; bounced=$bounced;;"
if [ $corrupt -gt 0 ]; then
echo -n "Postfix Mailqueue WARNING - $corrupt corrupt messages found! | $perfdata"
exit $STATE_WARNING
fi
if [ $hold -gt 0 ]; then
echo -n "Postfix Mailqueue WARNING - $hold hold messages found! | $perfdata"
exit $STATE_WARNING
fi
if [ $deferred -gt 0 ]; then
echo -n "Postfix Mailqueue WARNING - $deferred deferred messages found! | $perfdata"
exit $STATE_WARNING
fi
if [ $bounced -gt 0 ]; then
echo -n "Postfix Mailqueue WARNING - $bounced bounced messages found! | $perfdata"
exit $STATE_WARNING
fi
if [ $active -gt $critical ]; then
MES_TO_EXIT="Postfix Mailqueue CRITICAL - $values | $perfdata"
STATE_TO_EXIT=$STATE_CRITICAL
elif [ $active -gt $warning ]; then
MES_TO_EXIT="Postfix Mailqueue WARNING - $values | $perfdata"
STATE_TO_EXIT=$STATE_WARNING
else
MES_TO_EXIT="Postfix Mailqueue OK - $values | $perfdata"
STATE_TO_EXIT=$STATE_OK
fi
echo -n $MES_TO_EXIT
echo -e "\n"
exit $STATE_TO_EXIT

104
files/check_postfix_processed Executable file
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#!/usr/bin/env bash
## This program is free software: you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
# ===============
# check_postfixprocessed - plugin to check the number of mail processed by parsing logfiles
# ===============
# * mail processor written by Cecil Westerhof & Modifications for nagios by Frank IJskes
# * Christian Nutz identified the IF as slow on large logfiles, by only checking from the bottom up performance went back to normal
# version 2 uses AWK to improve processing / lower cpu load
# plugin return codes:
# 0 OK
# 1 Warning
# 2 Critical
# 3 Unknown
NO_OF_SECONDS=300
POSTFIX_LOG="/var/log/mail.log"
while getopts "hvw:c:" opt
do
case $opt in
h)
showhelp=1
break
;;
w)
warning="$OPTARG"
;;
c)
critical="$OPTARG"
;;
v)
verbose=1
;;
esac
done
printUsage() {
echo "Usage: $0 [-h] [-v] -w <warning> -c <critical>"
echo ""
echo "Example: $0 -w 50 -c 100"
}
printHelp() {
printUsage
echo ""
echo "This plugin checks the number of messages processed by Postfix in the last 5 minutes."
echo ""
echo "For more details, see inside the script ;)"
echo ""
exit 3
}
if [ "$showhelp" = "1" ]; then
printHelp
exit 3
fi
if [ ! "$warning" ] || [ ! "$critical" ]; then
printUsage
exit 3
fi
if [ $warning -ge $critical ]; then
echo "<warning> has to be smaller than <critical>!"
exit 3
fi
if [ ! "$POSTFIX_LOG" ]; then
echo "Could not find postfix log!"
exit 3
fi
countSentMessages () {
NOW=`date +%s`
DATE_FROM=`awk -v now=$NOW -v seconds=$NO_OF_SECONDS 'BEGIN{print strftime("%b %d %T", now-seconds)}'`
DATE_TO=`awk -v now=$NOW 'BEGIN{print strftime("%b %d %T", now)}'`
echo `awk '$0>=from && $0<=to' from="$DATE_FROM" to="$DATE_TO" ${POSTFIX_LOG} | grep ' postfix/smtp\[.*, status=sent ' | wc -l`
}
sentMessagesCount=`countSentMessages`
echo "Messages processed in the last $NO_OF_SECONDS seconds: $sentMessagesCount | mailsprocessed=$sentMessagesCount"
if [ "$sentMessagesCount" -ge "$critical" ]; then
exit 2
elif [ "$sentMessagesCount" -ge "$warning" ]; then
exit 1
else
exit 0
fi

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pwcheck_method: saslauthd
mech_list: PLAIN LOGIN

23
handlers/main.yml
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---
# handlers file for ansible-role-template
- name: Update SASL hash
shell: postmap hash:/etc/postfix/sasl_passwd
- name: Reload postfix
service: name=postfix state=reloaded
when: postfix_enabled | bool
- name: Restart postfix
service: name=postfix state=restarted
when: postfix_enabled | bool
- name: Update the network hash table
shell: postmap hash:/etc/postfix/network_table
- name: start saslauth daemon
service: name=saslauthd state=started enabled=yes
when: postfix_enabled | bool
- name: restart saslauth daemon
service: name=saslauthd state=restarted
when: postfix_enabled | bool

69
meta/main.yml
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@ -1,61 +1,34 @@
galaxy_info:
author: your name
description: your description
author: Andrea Dell'Amico
description: Systems Architect
company: ISTI-CNR
# If the issue tracker for your role is not on github, uncomment the
# next line and provide a value
issue_tracker_url: https://redmine-s2i2s.isti.cnr.it/projects/provisioning
# Some suggested licenses:
# - BSD (default)
# - MIT
# - GPLv2
# - GPLv3
# - Apache
# - CC-BY
license: EUPL-1.2
license: EUPL 1.2+
min_ansible_version: 2.8
# If this a Container Enabled role, provide the minimum Ansible Container version.
# min_ansible_container_version:
# Optionally specify the branch Galaxy will use when accessing the GitHub
# repo for this role. During role install, if no tags are available,
# Galaxy will use this branch. During import Galaxy will access files on
# this branch. If Travis integration is configured, only notifications for this
# branch will be accepted. Otherwise, in all cases, the repo's default branch
# (usually master) will be used.
#github_branch:
#
# Provide a list of supported platforms, and for each platform a list of versions.
# If you don't wish to enumerate all versions for a particular platform, use 'all'.
# To view available platforms and versions (or releases), visit:
# https://galaxy.ansible.com/api/v1/platforms/
#
# platforms:
# - name: Fedora
# versions:
# - all
# - 25
# - name: SomePlatform
# versions:
# - all
# - 1.0
# - 7
# - 99.99
platforms:
- name: EL
versions:
- 7
galaxy_tags: []
# List tags for your role here, one per line. A tag is a keyword that describes
# and categorizes the role. Users find roles by searching for tags. Be sure to
# remove the '[]' above, if you add tags to this list.
#
# NOTE: A tag is limited to a single word comprised of alphanumeric characters.
# Maximum 20 tags per role.
dependencies: []
# List your role dependencies here, one per line. Be sure to remove the '[]' above,
# if you add dependencies to this list.
galaxy_tags:
- postfix
- smtp
dependencies:
- src: git+https://gitea-s2i2s.isti.cnr.it/ISTI-ansible-roles/ansible-role-clamav.git
version: master
name: clamav
state: latest
when: postfix_clamav_milter
- src: git+https://gitea-s2i2s.isti.cnr.it/ISTI-ansible-roles/ansible-role-spamassassin.git
version: master
name: spamassassin
state: latest
when: postfix_spamassassin_milter

14
tasks/main.yml
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---
# tasks file for ansible-role-template
- import_tasks: smtp-common-packages.yml
- import_tasks: smtp-configuration.yml
- import_tasks: postfix_firewalld.yml
when: ansible_distribution_file_variety == "RedHat"
- import_tasks: smtp-sasl-auth.yml
when:
- postfix_use_sasl_auth | bool
- postfix_relay_client | bool
- import_tasks: postfix-relay-server.yml
when: postfix_smtpd_server | bool
- import_tasks: postfix-letsencrypt-hook.yml
when: postfix_use_letsencrypt | bool

18
tasks/postfix-letsencrypt-hook.yml Normal file
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---
- name: Manage the letsencrypt hook for postfix
block:
- name: Create the acme hooks directory if it does not exist
file: dest=/usr/lib/acme/hooks state=directory
- name: In the past we created a directory instead of a file. Check if it's the case
stat: path=/usr/lib/acme/hooks/postfix
register: postfix_hookdir
- name: Remove the wrong directory if it's present
file: dest=/usr/lib/acme/hooks/postfix state=absent
when: postfix_hookdir.stat.isdir is defined and postfix_hookdir.stat.isdir
- name: Install a hook for letsencrypt
template: src=postfix-letsencrypt-hook dest=/usr/lib/acme/hooks/postfix owner=root group=root mode=0555
tags: [ 'postfix', 'postfix_letsencrypt', 'letsencrypt' ]

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tasks/postfix-relay-server.yml Normal file
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---
- name: Postfix relay, deb specific
block:
- name: Install the sasl2 authentication infrastructure
apt: pkg={{ postfix_sasl_deb_packages }} state=present cache_valid_time=1800
- name: Create the sasl run directory inside /var/spool/postfix, for chroot
file: dest=/var/spool/postfix/var/run/saslauthd state=directory owner=root group=root mode=0555
notify: start saslauth daemon
- name: Change the socket path because postfix on debian runs inside a chroot jail
action: configfile path=/etc/default/saslauthd key=OPTIONS value='"-c -m /var/spool/postfix/var/run/saslauthd"' syntax=shell
notify: restart saslauth daemon
- name: Enable the saslauth daemon
action: configfile path=/etc/default/saslauthd key=START value='yes' syntax=shell
when: ansible_distribution_file_variety == "Debian"
tags: [ 'postfix_relay', 'postfix-relay', 'postfix_sasl' ]
- name: Postfix relay, rh specific
block:
- name: Install the sasl2 authentication infrastructure
yum: pkg={{ postfix_sasl_rh_packages }} state=present
- name: Install the SASL configuration
template: src=saslauthd.sysconfig.j2 dest=/etc/sysconfig/saslauthd owner=root group=root mode=0644
notify: restart saslauth daemon
- name: Install the ldap configuration for saslauthd
template: src=saslauthd.conf.j2 dest=/etc/saslauthd.conf owner=root group=root mode=0400
when: postfix_saslauthd_mech == 'ldap'
notify: restart saslauth daemon
when: ansible_distribution_file_variety == "RedHat"
tags: [ 'postfix_relay', 'postfix-relay', 'postfix_sasl' ]
- name: Postfix relay
block:
- name: Create the sasl directory inside /etc/postfix
file: dest=/etc/postfix/sasl state=directory owner=root group=root mode=0555
- name: Install the smtpd.conf file inside inside /etc/postfix/sasl
copy: src=sasl_smtpd.conf dest=/etc/postfix/sasl/smtpd.conf owner=root group=root mode=0444
- name: Assign the sasl group to the postfix user so that postfix can use the saslauthd socket
user: name=postfix groups='sasl'
notify: Restart postfix
when: ansible_distribution_file_variety == "Debian"
- name: Ensure that the saslauthd daemon is started and enabled
service: name=saslauthd state=restarted enabled=yes
tags: [ 'postfix_relay', 'postfix-relay', 'postfix_sasl' ]

8
tasks/postfix_firewalld.yml Normal file
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---
- name: Manage the postfix firewalld rules
block:
- name: Manage the postfix related services
firewalld: service={{ item.service }} zone={{ item.zone }} permanent={{ item.permanent | default(True) }} state={{ item.state }} immediate=True
with_items: '{{ postfix_firewalld_services }}'
tags: [ 'postfix', 'firewall', 'firewalld', 'iptables', 'iptables_rules' ]

65
tasks/smtp-common-packages.yml Normal file
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---
- block:
- name: Install postfix and libsas to do mail relay on deb systems
apt: pkg={{ postfix_relay_deb_pkgs }} state=present update_cache=yes cache_valid_time=1800
when: ansible_distribution_file_variety == "Debian"
- name: Install postfix and libsas to do mail relay on RH systems
yum: pkg={{ postfix_relay_rh_pkgs }} state=present
when: ansible_distribution_file_variety == "RedHat"
- name: Remove the ssmtp package on RH systems
yum: pkg=ssmtp state=absent
when: ansible_distribution_file_variety == "RedHat"
- name: Create a DHPARAM file used by TLS
shell: openssl dhparam -out {{ postfix_tls_dhparam_file }} {{ postfix_tls_dhparam_size }}
args:
creates: '{{ postfix_tls_dhparam_file }}'
when: postfix_tls_encryption_level == "old"
notify: Reload postfix
- name: Download a DHPARAM file from the mozilla ssl configurator site
get_url: url='https://ssl-config.mozilla.org/ffdhe2048.txt' dest={{ postfix_tls_dhparam_file }}
args:
creates: '{{ postfix_tls_dhparam_file }}'
when: postfix_tls_encryption_level != "old"
notify: Reload postfix
when: postfix_install_packages | bool
tags: [ 'postfix', 'postfix_conf' ]
- block:
- name: Ensure that postfix is stopped and disabled
service: name=postfix state=stopped enabled=no
when:
- postfix_install_packages | bool
- not postfix_enabled | bool
tags: postfix
- block:
- name: Install the postfix NRPE nagios check
copy: src={{ item }} dest={{ nagios_plugins_dir }}/{{ item }} owner=root group=nagios mode=0555
with_items: '{{ postfix_nagios_checks }}'
- name: Install the postfix NRPE command configuration
template: src=postfix-nrpe.cfg.j2 dest={{ nrpe_include_dir }}/postfix-nrpe.cfg owner=root group=root mode=0444
notify: Reload NRPE server
when:
- postfix_install_packages | bool
- postfix_nagios_check | bool
tags: [ 'postfix', 'nagios', 'nrpe' ]
- block:
- name: Remove postfix and libsas on deb systems
action: apt pkg={{ postfix_relay_deb_pkgs }} state=absent
when: ansible_distribution_file_variety == "Debian"
- name: Remove postfix and libsas to do mail relay on RH systems
yum: pkg={{ postfix_relay_rh_pkgs }} state=absent
when: ansible_distribution_file_variety == "RedHat"
when: not postfix_install_packages | bool
tags: postfix

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---
- name: Postfix main configuration
block:
- name: Write the postfix main configuration file
template: src=main.cf.j2 dest=/etc/postfix/main.cf owner=root group=root mode=0444
register: postfix_main_restart_needed
- name: The postfix master.cf file adapts to the service role
template: src=master.cf.j2 dest=/etc/postfix/master.cf owner=root group=root mode=0444
register: postfix_master_restart_needed
when: postfix_enabled | bool
tags: [ 'postfix', 'postfix_conf' ]
- name: Postfix maps installation
block:
- name: Write the postfix network_table map
template: src=network_table.j2 dest=/etc/postfix/network_table owner=root group=root mode=0444
register: postfix_network_table_status
- name: Write the postfix virtual_domains map
template: src=virtual_domains.j2 dest=/etc/postfix/virtual_domains owner=root group=root mode=0444
register: postfix_virtual_domains_status
- name: Write the postfix transport map
template: src=transport.j2 dest=/etc/postfix/transport owner=root group=root mode=0444
register: postfix_transport_table_status
when: postfix_transport_map_enabled | bool
- name: Update the network hash table
shell: postmap hash:/etc/postfix/network_table
when: postfix_network_table_status is changed
- name: Update the virtual_domains
shell: postmap hash:/etc/postfix/virtual_domains
when: postfix_virtual_domains_status is changed
- name: Update the transport hash table
shell: postmap hash:/etc/postfix/transport
when: postfix_transport_table_status is changed
when: postfix_enabled | bool
tags: [ 'postfix', 'postfix_conf', 'postfix_maps' ]
- block:
- name: Ensure that postfix is started and enabled
service: name=postfix state=started enabled=yes
- name: Restart postfix
service: name=postfix state=restarted
when: ( postfix_main_restart_needed is changed ) or ( postfix_master_restart_needed is changed )
when: postfix_enabled | bool
tags: [ 'postfix', 'postfix_conf' ]

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---
- name: Write sasl hash file
template: src=sasl_passwd.j2 dest=/etc/postfix/sasl_passwd owner=root group=root mode=0400
when: postfix_use_sasl_auth | bool
register: update_sasl_hash
tags: [ 'postfix-relay', 'postfix_relay', 'postfix_sasl_client' ]
- name: Update SASL hash
shell: postmap hash:/etc/postfix/sasl_passwd
when: update_sasl_hash is changed
tags: [ 'postfix-relay', 'postfix_relay', 'postfix_sasl_client' ]

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{% if postfix_delivery_soft_bounce %}
# SOFT BOUNCE
#
# The soft_bounce parameter provides a limited safety net for
# testing. When soft_bounce is enabled, mail will remain queued that
# would otherwise bounce. This parameter disables locally-generated
# bounces, and prevents the SMTP server from rejecting mail permanently
# (by changing 5xx replies into 4xx replies). However, soft_bounce
# is no cure for address rewriting mistakes or mail routing mistakes.
#
soft_bounce = yes
{% else %}
soft_bounce = no
{% endif %}
queue_directory = /var/spool/postfix
command_directory = /usr/sbin
daemon_directory = /usr/libexec/postfix
data_directory = /var/lib/postfix
mail_owner = postfix
# The default_privs parameter specifies the default rights used by
# the local delivery agent for delivery to external file or command.
# These rights are used in the absence of a recipient user context.
# DO NOT SPECIFY A PRIVILEGED USER OR THE POSTFIX OWNER.
#
#default_privs = nobody
# INTERNET HOST AND DOMAIN NAMES
#
# The myhostname parameter specifies the internet hostname of this
# mail system. The default is to use the fully-qualified domain name
# from gethostname(). $myhostname is used as a default value for many
# other configuration parameters.
#
myhostname = {{ ansible_fqdn }}
{% if postfix_use_domain_name is defined %}
{% elif domain_name is defined %}
mydomain = {{ domain_name }}
{% else %}
mydomain = {{ ansible_fqdn }}
{% endif %}
{% endif %}
# SENDING MAIL
#
# The myorigin parameter specifies the domain that locally-posted
# mail appears to come from. The default is to append $myhostname,
# which is fine for small sites. If you run a domain with multiple
# machines, you should (1) change this to $mydomain and (2) set up
# a domain-wide alias database that aliases each user to
# user@that.users.mailhost.
#
# For the sake of consistency between sender and recipient addresses,
# myorigin also specifies the default domain name that is appended
# to recipient addresses that have no @domain part.
#
{% if domain_name is defined %}
myorigin = {{ domain_name }}
{% else %}
myorigin = {{ ansible_fqdn }}
{% endif %}
# RECEIVING MAIL
# The inet_interfaces parameter specifies the network interface
# addresses that this mail system receives mail on. By default,
# the software claims all active interfaces on the machine. The
# parameter also controls delivery of mail to user@[ip.address].
#
# See also the proxy_interfaces parameter, for network addresses that
# are forwarded to us via a proxy or network address translator.
#
# Note: you need to stop/start Postfix when this parameter changes.
#
{% if not postfix_use_inet_interfaces %}
{% if not postfix_relay_server %}
inet_interfaces = localhost
inet_protocols = ipv4
{% else %}
inet_interfaces = {% for int in postfix_inet_interfaces %}{{ int }}{% if not loop.end%}, {% endif %}{% endfor %}
inet_protocols = {% for proto in postfix_inet_protocols %}{{ proto }}{% if not loop.end%}, {% endif %}{% endfor %}
{% endif %}
{% endif %}
# The proxy_interfaces parameter specifies the network interface
# addresses that this mail system receives mail on by way of a
# proxy or network address translation unit. This setting extends
# the address list specified with the inet_interfaces parameter.
#
# You must specify your proxy/NAT addresses when your system is a
# backup MX host for other domains, otherwise mail delivery loops
# will happen when the primary MX host is down.
#
#proxy_interfaces =
#proxy_interfaces = 1.2.3.4
{% if postfix_proxy_interfaces_enabled %}
proxy_interfaces = {% for proxy_int in postfix_proxy_interfaces %}{{ proxy_int }} {% endfor %}
{% endif %}
# The mydestination parameter specifies the list of domains that this
# machine considers itself the final destination for.
#
# These domains are routed to the delivery agent specified with the
# local_transport parameter setting. By default, that is the UNIX
# compatible delivery agent that lookups all recipients in /etc/passwd
# and /etc/aliases or their equivalent.
#
# The default is $myhostname + localhost.$mydomain. On a mail domain
# gateway, you should also include $mydomain.
#
# Do not specify the names of virtual domains - those domains are
# specified elsewhere (see VIRTUAL_README).
#
# Do not specify the names of domains that this machine is backup MX
# host for. Specify those names via the relay_domains settings for
# the SMTP server, or use permit_mx_backup if you are lazy (see
# STANDARD_CONFIGURATION_README).
#
# The local machine is always the final destination for mail addressed
# to user@[the.net.work.address] of an interface that the mail system
# receives mail on (see the inet_interfaces parameter).
#
# Specify a list of host or domain names, /file/name or type:table
# patterns, separated by commas and/or whitespace. A /file/name
# pattern is replaced by its contents; a type:table is matched when
# a name matches a lookup key (the right-hand side is ignored).
# Continue long lines by starting the next line with whitespace.
#
# See also below, section "REJECTING MAIL FOR UNKNOWN LOCAL USERS".
#
{% if postfix_use_domain_name is defined %}
{% elif domain_name is defined %}
mydestination = {{ ansible_fqdn }}, localhost, {{ domain_name }}
{% else %}
mydestination = {{ ansible_fqdn }}, localhost
{% endif %}
{% endif %}
# REJECTING MAIL FOR UNKNOWN LOCAL USERS
#
# The local_recipient_maps parameter specifies optional lookup tables
# with all names or addresses of users that are local with respect
# to $mydestination, $inet_interfaces or $proxy_interfaces.
#
# If this parameter is defined, then the SMTP server will reject
# mail for unknown local users. This parameter is defined by default.
#
# To turn off local recipient checking in the SMTP server, specify
# local_recipient_maps = (i.e. empty).
#
# The default setting assumes that you use the default Postfix local
# delivery agent for local delivery. You need to update the
# local_recipient_maps setting if:
#
# - You define $mydestination domain recipients in files other than
# /etc/passwd, /etc/aliases, or the $virtual_alias_maps files.
# For example, you define $mydestination domain recipients in
# the $virtual_mailbox_maps files.
#
# - You redefine the local delivery agent in master.cf.
#
# - You redefine the "local_transport" setting in main.cf.
#
# - You use the "luser_relay", "mailbox_transport", or "fallback_transport"
# feature of the Postfix local delivery agent (see local(8)).
#
# Details are described in the LOCAL_RECIPIENT_README file.
#
# Beware: if the Postfix SMTP server runs chrooted, you probably have
# to access the passwd file via the proxymap service, in order to
# overcome chroot restrictions. The alternative, having a copy of
# the system passwd file in the chroot jail is just not practical.
#
# The right-hand side of the lookup tables is conveniently ignored.
# In the left-hand side, specify a bare username, an @domain.tld
# wild-card, or specify a user@domain.tld address.
#
#local_recipient_maps = unix:passwd.byname $alias_maps
#local_recipient_maps = proxy:unix:passwd.byname $alias_maps
{% if not postfix_local_recipients %}
local_recipient_maps =
{% endif %}
# The unknown_local_recipient_reject_code specifies the SMTP server
# response code when a recipient domain matches $mydestination or
# ${proxy,inet}_interfaces, while $local_recipient_maps is non-empty
# and the recipient address or address local-part is not found.
#
# The default setting is 550 (reject mail) but it is safer to start
# with 450 (try again later) until you are certain that your
# local_recipient_maps settings are OK.
#
{% if postfix_delivery_soft_bounce %}
unknown_local_recipient_reject_code = 450
{% else %}
unknown_local_recipient_reject_code = 550
{% endif %}
# TRUST AND RELAY CONTROL
# The mynetworks parameter specifies the list of "trusted" SMTP
# clients that have more privileges than "strangers".
#
# In particular, "trusted" SMTP clients are allowed to relay mail
# through Postfix. See the smtpd_recipient_restrictions parameter
# in postconf(5).
#
# You can specify the list of "trusted" network addresses by hand
# or you can let Postfix do it for you (which is the default).
#
# By default (mynetworks_style = subnet), Postfix "trusts" SMTP
# clients in the same IP subnetworks as the local machine.
# On Linux, this does works correctly only with interfaces specified
# with the "ifconfig" command.
#
# Specify "mynetworks_style = class" when Postfix should "trust" SMTP
# clients in the same IP class A/B/C networks as the local machine.
# Don't do this with a dialup site - it would cause Postfix to "trust"
# your entire provider's network. Instead, specify an explicit
# mynetworks list by hand, as described below.
#
# Specify "mynetworks_style = host" when Postfix should "trust"
# only the local machine.
#
#mynetworks_style = class
#mynetworks_style = subnet
#mynetworks_style = host
# Alternatively, you can specify the mynetworks list by hand, in
# which case Postfix ignores the mynetworks_style setting.
#
# Specify an explicit list of network/netmask patterns, where the
# mask specifies the number of bits in the network part of a host
# address.
#
# You can also specify the absolute pathname of a pattern file instead
# of listing the patterns here. Specify type:table for table-based lookups
# (the value on the table right-hand side is not used).
#
#mynetworks = 168.100.189.0/28, 127.0.0.0/8
#mynetworks = $config_directory/mynetworks
#mynetworks = hash:/etc/postfix/network_table
{% if not postfix_use_inet_interfaces %}
mynetworks = 127.0.0.0/8
{% else %}
mynetworks = {{ postfix_mynetworks }}
{% endif %}
# The relay_domains parameter restricts what destinations this system will
# relay mail to. See the smtpd_recipient_restrictions description in
# postconf(5) for detailed information.
#
# By default, Postfix relays mail
# - from "trusted" clients (IP address matches $mynetworks) to any destination,
# - from "untrusted" clients to destinations that match $relay_domains or
# subdomains thereof, except addresses with sender-specified routing.
# The default relay_domains value is $mydestination.
#
# In addition to the above, the Postfix SMTP server by default accepts mail
# that Postfix is final destination for:
# - destinations that match $inet_interfaces or $proxy_interfaces,
# - destinations that match $mydestination
# - destinations that match $virtual_alias_domains,
# - destinations that match $virtual_mailbox_domains.
# These destinations do not need to be listed in $relay_domains.
#
# Specify a list of hosts or domains, /file/name patterns or type:name
# lookup tables, separated by commas and/or whitespace. Continue
# long lines by starting the next line with whitespace. A file name
# is replaced by its contents; a type:name table is matched when a
# (parent) domain appears as lookup key.
#
# NOTE: Postfix will not automatically forward mail for domains that
# list this system as their primary or backup MX host. See the
# permit_mx_backup restriction description in postconf(5).
#
#relay_domains = $mydestination
# INTERNET OR INTRANET
# The relayhost parameter specifies the default host to send mail to
# when no entry is matched in the optional transport(5) table. When
# no relayhost is given, mail is routed directly to the destination.
#
# On an intranet, specify the organizational domain name. If your
# internal DNS uses no MX records, specify the name of the intranet
# gateway host instead.
#
# In the case of SMTP, specify a domain, host, host:port, [host]:port,
# [address] or [address]:port; the form [host] turns off MX lookups.
#
# If you're connected via UUCP, see also the default_transport parameter.
#
{% if postfix_use_relay_host %}
relayhost = {{ postfix_relay_host }}:{{ postfix_relay_port }}
{% endif %}
# REJECTING UNKNOWN RELAY USERS
#
# The relay_recipient_maps parameter specifies optional lookup tables
# with all addresses in the domains that match $relay_domains.
#
# If this parameter is defined, then the SMTP server will reject
# mail for unknown relay users. This feature is off by default.
#
# The right-hand side of the lookup tables is conveniently ignored.
# In the left-hand side, specify an @domain.tld wild-card, or specify
# a user@domain.tld address.
#
#relay_recipient_maps = hash:/etc/postfix/relay_recipients
# INPUT RATE CONTROL
#
# The in_flow_delay configuration parameter implements mail input
# flow control. This feature is turned on by default, although it
# still needs further development (it's disabled on SCO UNIX due
# to an SCO bug).
#
# A Postfix process will pause for $in_flow_delay seconds before
# accepting a new message, when the message arrival rate exceeds the
# message delivery rate. With the default 100 SMTP server process
# limit, this limits the mail inflow to 100 messages a second more
# than the number of messages delivered per second.
#
# Specify 0 to disable the feature. Valid delays are 0..10.
#
#in_flow_delay = 1s
# ADDRESS REWRITING
#
# The ADDRESS_REWRITING_README document gives information about
# address masquerading or other forms of address rewriting including
# username->Firstname.Lastname mapping.
# ADDRESS REDIRECTION (VIRTUAL DOMAIN)
#
# The VIRTUAL_README document gives information about the many forms
# of domain hosting that Postfix supports.
# "USER HAS MOVED" BOUNCE MESSAGES
#
# See the discussion in the ADDRESS_REWRITING_README document.
# TRANSPORT MAP
#
# See the discussion in the ADDRESS_REWRITING_README document.
# ALIAS DATABASE
#
# The alias_maps parameter specifies the list of alias databases used
# by the local delivery agent. The default list is system dependent.
#
# On systems with NIS, the default is to search the local alias
# database, then the NIS alias database. See aliases(5) for syntax
# details.
#
# If you change the alias database, run "postalias /etc/aliases" (or
# wherever your system stores the mail alias file), or simply run
# "newaliases" to build the necessary DBM or DB file.
#
# It will take a minute or so before changes become visible. Use
# "postfix reload" to eliminate the delay.
#
alias_maps = {% for alias in postfix_alias_maps %}{{ alias }}{% if not loop.end%}, {% endif %}{% endfor %}
# The alias_database parameter specifies the alias database(s) that
# are built with "newaliases" or "sendmail -bi". This is a separate
# configuration parameter, because alias_maps (see above) may specify
# tables that are not necessarily all under control by Postfix.
#
alias_database = {% for dbalias in postfix_alias_databases %}{{ dbalias }}{% if not loop.end%}, {% endif %}{% endfor %}
# ADDRESS EXTENSIONS (e.g., user+foo)
#
# The recipient_delimiter parameter specifies the separator between
# user names and address extensions (user+foo). See canonical(5),
# local(8), relocated(5) and virtual(5) for the effects this has on
# aliases, canonical, virtual, relocated and .forward file lookups.
# Basically, the software tries user+foo and .forward+foo before
# trying user and .forward.
#
recipient_delimiter = {{ postfix_recipient_delimiter }}
# DELIVERY TO MAILBOX
#
# The home_mailbox parameter specifies the optional pathname of a
# mailbox file relative to a user's home directory. The default
# mailbox file is /var/spool/mail/user or /var/mail/user. Specify
# "Maildir/" for qmail-style delivery (the / is required).
#
#home_mailbox = Mailbox
#home_mailbox = Maildir/
# The mail_spool_directory parameter specifies the directory where
# UNIX-style mailboxes are kept. The default setting depends on the
# system type.
#
#mail_spool_directory = /var/mail
#mail_spool_directory = /var/spool/mail
# The mailbox_command parameter specifies the optional external
# command to use instead of mailbox delivery. The command is run as
# the recipient with proper HOME, SHELL and LOGNAME environment settings.
# Exception: delivery for root is done as $default_user.
#
# Other environment variables of interest: USER (recipient username),
# EXTENSION (address extension), DOMAIN (domain part of address),
# and LOCAL (the address localpart).
#
# Unlike other Postfix configuration parameters, the mailbox_command
# parameter is not subjected to $parameter substitutions. This is to
# make it easier to specify shell syntax (see example below).
#
# Avoid shell meta characters because they will force Postfix to run
# an expensive shell process. Procmail alone is expensive enough.
#
# IF YOU USE THIS TO DELIVER MAIL SYSTEM-WIDE, YOU MUST SET UP AN
# ALIAS THAT FORWARDS MAIL FOR ROOT TO A REAL USER.
#
#mailbox_command = /some/where/procmail
#mailbox_command = /some/where/procmail -a "$EXTENSION"
# The mailbox_transport specifies the optional transport in master.cf
# to use after processing aliases and .forward files. This parameter
# has precedence over the mailbox_command, fallback_transport and
# luser_relay parameters.
#
# Specify a string of the form transport:nexthop, where transport is
# the name of a mail delivery transport defined in master.cf. The
# :nexthop part is optional. For more details see the sample transport
# configuration file.
#
# NOTE: if you use this feature for accounts not in the UNIX password
# file, then you must update the "local_recipient_maps" setting in
# the main.cf file, otherwise the SMTP server will reject mail for
# non-UNIX accounts with "User unknown in local recipient table".
#
# Cyrus IMAP over LMTP. Specify ``lmtpunix cmd="lmtpd"
# listen="/var/imap/socket/lmtp" prefork=0'' in cyrus.conf.
#mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp
# If using the cyrus-imapd IMAP server deliver local mail to the IMAP
# server using LMTP (Local Mail Transport Protocol), this is prefered
# over the older cyrus deliver program by setting the
# mailbox_transport as below:
#
# mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp
#
# The efficiency of LMTP delivery for cyrus-imapd can be enhanced via
# these settings.
#
# local_destination_recipient_limit = 300
# local_destination_concurrency_limit = 5
#
# Of course you should adjust these settings as appropriate for the
# capacity of the hardware you are using. The recipient limit setting
# can be used to take advantage of the single instance message store
# capability of Cyrus. The concurrency limit can be used to control
# how many simultaneous LMTP sessions will be permitted to the Cyrus
# message store.
#
# Cyrus IMAP via command line. Uncomment the "cyrus...pipe" and
# subsequent line in master.cf.
#mailbox_transport = cyrus
# The fallback_transport specifies the optional transport in master.cf
# to use for recipients that are not found in the UNIX passwd database.
# This parameter has precedence over the luser_relay parameter.
#
# Specify a string of the form transport:nexthop, where transport is
# the name of a mail delivery transport defined in master.cf. The
# :nexthop part is optional. For more details see the sample transport
# configuration file.
#
# NOTE: if you use this feature for accounts not in the UNIX password
# file, then you must update the "local_recipient_maps" setting in
# the main.cf file, otherwise the SMTP server will reject mail for
# non-UNIX accounts with "User unknown in local recipient table".
#
#fallback_transport = lmtp:unix:/var/lib/imap/socket/lmtp
#fallback_transport =
{% if postfix_inet_lmtp_enabled %}
virtual_transport = lmtp:inet:{{ postfix_inet_lmtp_host }}:{{ postfix_inet_lmtp_port }}
{% endif %}
{% if postfix_virtual_addresses %}
virtual_mailbox_domains = {{ postfix_virtual_mailbox_domains }}
virtual_mailbox_maps = {% for mbmap in postfix_virtual_mailbox_maps %}{{ mbmap }} {% endfor %}
virtual_alias_maps = {% for mbmap in postfix_virtual_alias_maps %}{{ mbmap }} {% endfor %}
{% endif %}
# The luser_relay parameter specifies an optional destination address
# for unknown recipients. By default, mail for unknown@$mydestination,
# unknown@[$inet_interfaces] or unknown@[$proxy_interfaces] is returned
# as undeliverable.
#
# The following expansions are done on luser_relay: $user (recipient
# username), $shell (recipient shell), $home (recipient home directory),
# $recipient (full recipient address), $extension (recipient address
# extension), $domain (recipient domain), $local (entire recipient
# localpart), $recipient_delimiter. Specify ${name?value} or
# ${name:value} to expand value only when $name does (does not) exist.
#
# luser_relay works only for the default Postfix local delivery agent.
#
# NOTE: if you use this feature for accounts not in the UNIX password
# file, then you must specify "local_recipient_maps =" (i.e. empty) in
# the main.cf file, otherwise the SMTP server will reject mail for
# non-UNIX accounts with "User unknown in local recipient table".
#
#luser_relay = $user@other.host
#luser_relay = $local@other.host
#luser_relay = admin+$local
# JUNK MAIL CONTROLS
#
# The controls listed here are only a very small subset. The file
# SMTPD_ACCESS_README provides an overview.
# The header_checks parameter specifies an optional table with patterns
# that each logical message header is matched against, including
# headers that span multiple physical lines.
#
# By default, these patterns also apply to MIME headers and to the
# headers of attached messages. With older Postfix versions, MIME and
# attached message headers were treated as body text.
#
# For details, see "man header_checks".
#
#header_checks = regexp:/etc/postfix/header_checks
#
# UCE/RBL
#
disable_vrfy_command = yes
smtpd_delay_reject = yes
smtpd_helo_required = yes
{% if postfix_smtpd_server %}
smtpd_client_restrictions =
permit_mynetworks
permit_inet_interfaces
{% endif %}
# FAST ETRN SERVICE
#
# Postfix maintains per-destination logfiles with information about
# deferred mail, so that mail can be flushed quickly with the SMTP
# "ETRN domain.tld" command, or by executing "sendmail -qRdomain.tld".
# See the ETRN_README document for a detailed description.
#
# The fast_flush_domains parameter controls what destinations are
# eligible for this service. By default, they are all domains that
# this server is willing to relay mail to.
#
#fast_flush_domains = $relay_domains
# SHOW SOFTWARE VERSION OR NOT
#
# The smtpd_banner parameter specifies the text that follows the 220
# code in the SMTP server's greeting banner. Some people like to see
# the mail version advertised. By default, Postfix shows no version.
#
# You MUST specify $myhostname at the start of the text. That is an
# RFC requirement. Postfix itself does not care.
#
#smtpd_banner = $myhostname ESMTP $mail_name ($mail_version)
smtpd_banner = $myhostname ESMTP $mail_name
# PARALLEL DELIVERY TO THE SAME DESTINATION
#
# How many parallel deliveries to the same user or domain? With local
# delivery, it does not make sense to do massively parallel delivery
# to the same user, because mailbox updates must happen sequentially,
# and expensive pipelines in .forward files can cause disasters when
# too many are run at the same time. With SMTP deliveries, 10
# simultaneous connections to the same domain could be sufficient to
# raise eyebrows.
#
# Each message delivery transport has its XXX_destination_concurrency_limit
# parameter. The default is $default_destination_concurrency_limit for
# most delivery transports. For the local delivery agent the default is 2.
local_destination_concurrency_limit = {{ postfix_local_dest_concurrency_limit }}
default_destination_concurrency_limit = {{ postfix_default_destination_concurrency_limit }}
# DEBUGGING CONTROL
#
# The debug_peer_level parameter specifies the increment in verbose
# logging level when an SMTP client or server host name or address
# matches a pattern in the debug_peer_list parameter.
#
debug_peer_level = 2
# The debug_peer_list parameter specifies an optional list of domain
# or network patterns, /file/name patterns or type:name tables. When
# an SMTP client or server host name or address matches a pattern,
# increase the verbose logging level by the amount specified in the
# debug_peer_level parameter.
#
#debug_peer_list = 127.0.0.1
#debug_peer_list = some.domain
# The debugger_command specifies the external command that is executed
# when a Postfix daemon program is run with the -D option.
#
# Use "command .. & sleep 5" so that the debugger can attach before
# the process marches on. If you use an X-based debugger, be sure to
# set up your XAUTHORITY environment variable before starting Postfix.
#
#debugger_command =
# PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
# ddd $daemon_directory/$process_name $process_id & sleep 5
# If you can't use X, use this to capture the call stack when a
# daemon crashes. The result is in a file in the configuration
# directory, and is named after the process name and the process ID.
#
# debugger_command =
# PATH=/bin:/usr/bin:/usr/local/bin; export PATH; (echo cont;
# echo where) | gdb $daemon_directory/$process_name $process_id 2>&1
# >$config_directory/$process_name.$process_id.log & sleep 5
#
# Another possibility is to run gdb under a detached screen session.
# To attach to the screen sesssion, su root and run "screen -r
# <id_string>" where <id_string> uniquely matches one of the detached
# sessions (from "screen -list").
#
# debugger_command =
# PATH=/bin:/usr/bin:/sbin:/usr/sbin; export PATH; screen
# -dmS $process_name gdb $daemon_directory/$process_name
# $process_id & sleep 1
# INSTALL-TIME CONFIGURATION INFORMATION
#
# The following parameters are used when installing a new Postfix version.
#
# sendmail_path: The full pathname of the Postfix sendmail command.
# This is the Sendmail-compatible mail posting interface.
#
sendmail_path = /usr/sbin/sendmail.postfix
# newaliases_path: The full pathname of the Postfix newaliases command.
# This is the Sendmail-compatible command to build alias databases.
#
newaliases_path = /usr/bin/newaliases.postfix
# mailq_path: The full pathname of the Postfix mailq command. This
# is the Sendmail-compatible mail queue listing command.
#
mailq_path = /usr/bin/mailq.postfix
# setgid_group: The group for mail submission and queue management
# commands. This must be a group name with a numerical group ID that
# is not shared with other accounts, not even with the Postfix account.
#
setgid_group = postdrop
# html_directory: The location of the Postfix HTML documentation.
#
html_directory = no
# manpage_directory: The location of the Postfix on-line manual pages.
#
manpage_directory = /usr/share/man
# readme_directory: The location of the Postfix README files.
#
readme_directory = no
# TLS parameters
# Server
{% if letsencrypt_acme_install is defined %}
{% if postfix_use_letsencrypt %}
smtpd_tls_cert_file={{ letsencrypt_acme_certs_dir }}/cert
smtpd_tls_key_file={{ letsencrypt_acme_certs_dir }}/privkey
{% else %}
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
{% endif %}
{% endif %}
{% if letsencrypt_acme_install is not defined %}
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
{% endif %}
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
{% if postfix_smtpd_server %}
smtpd_tls_security_level = encrypt
smtpd_tls_auth_only = yes
{% endif %}
smtpd_tls_security_level={{ postfix_smtpd_tls_security_level }}
# Client
smtp_tls_security_level = {{ postfix_smtp_tls_security_level }}
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

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{% if postfix_delivery_soft_bounce %}
# SOFT BOUNCE
#
# The soft_bounce parameter provides a limited safety net for
# testing. When soft_bounce is enabled, mail will remain queued that
# would otherwise bounce. This parameter disables locally-generated
# bounces, and prevents the SMTP server from rejecting mail permanently
# (by changing 5xx replies into 4xx replies). However, soft_bounce
# is no cure for address rewriting mistakes or mail routing mistakes.
#
soft_bounce = yes
{% else %}
soft_bounce = no
{% endif %}
queue_directory = /var/spool/postfix
command_directory = /usr/sbin
daemon_directory = /usr/libexec/postfix
data_directory = /var/lib/postfix
mail_owner = postfix
# The default_privs parameter specifies the default rights used by
# the local delivery agent for delivery to external file or command.
# These rights are used in the absence of a recipient user context.
# DO NOT SPECIFY A PRIVILEGED USER OR THE POSTFIX OWNER.
#
#default_privs = nobody
# INTERNET HOST AND DOMAIN NAMES
#
# The myhostname parameter specifies the internet hostname of this
# mail system. The default is to use the fully-qualified domain name
# from gethostname(). $myhostname is used as a default value for many
# other configuration parameters.
#
myhostname = {{ ansible_fqdn }}
{% if postfix_use_domain_name is defined %}
{% elif domain_name is defined %}
mydomain = {{ domain_name }}
{% else %}
mydomain = {{ ansible_fqdn }}
{% endif %}
# SENDING MAIL
#
# The myorigin parameter specifies the domain that locally-posted
# mail appears to come from. The default is to append $myhostname,
# which is fine for small sites. If you run a domain with multiple
# machines, you should (1) change this to $mydomain and (2) set up
# a domain-wide alias database that aliases each user to
# user@that.users.mailhost.
#
# For the sake of consistency between sender and recipient addresses,
# myorigin also specifies the default domain name that is appended
# to recipient addresses that have no @domain part.
#
{% if domain_name is defined %}
myorigin = {{ domain_name }}
{% else %}
myorigin = {{ ansible_fqdn }}
{% endif %}
# RECEIVING MAIL
# The inet_interfaces parameter specifies the network interface
# addresses that this mail system receives mail on. By default,
# the software claims all active interfaces on the machine. The
# parameter also controls delivery of mail to user@[ip.address].
#
# See also the proxy_interfaces parameter, for network addresses that
# are forwarded to us via a proxy or network address translator.
#
# Note: you need to stop/start Postfix when this parameter changes.
#
{% if postfix_use_inet_interfaces %}
{% if not postfix_smtpd_server %}
inet_interfaces = localhost
inet_protocols = ipv4
{% else %}
inet_interfaces = {% for int in postfix_inet_interfaces %}{{ int }}{% if not loop.last %}, {% endif %}{% endfor %}
inet_protocols = {% for proto in postfix_inet_protocols %}{{ proto }}{% if not loop.last %}, {% endif %}{% endfor %}
{% endif %}
{% endif %}
# The proxy_interfaces parameter specifies the network interface
# addresses that this mail system receives mail on by way of a
# proxy or network address translation unit. This setting extends
# the address list specified with the inet_interfaces parameter.
#
# You must specify your proxy/NAT addresses when your system is a
# backup MX host for other domains, otherwise mail delivery loops
# will happen when the primary MX host is down.
#
#proxy_interfaces =
#proxy_interfaces = 1.2.3.4
{% if postfix_proxy_interfaces_enabled %}
proxy_interfaces = {% for proxy_int in postfix_proxy_interfaces %}{{ proxy_int }} {% endfor %}
{% endif %}
# The mydestination parameter specifies the list of domains that this
# machine considers itself the final destination for.
#
# These domains are routed to the delivery agent specified with the
# local_transport parameter setting. By default, that is the UNIX
# compatible delivery agent that lookups all recipients in /etc/passwd
# and /etc/aliases or their equivalent.
#
# The default is $myhostname + localhost.$mydomain. On a mail domain
# gateway, you should also include $mydomain.
#
# Do not specify the names of virtual domains - those domains are
# specified elsewhere (see VIRTUAL_README).
#
# Do not specify the names of domains that this machine is backup MX
# host for. Specify those names via the relay_domains settings for
# the SMTP server, or use permit_mx_backup if you are lazy (see
# STANDARD_CONFIGURATION_README).
#
# The local machine is always the final destination for mail addressed
# to user@[the.net.work.address] of an interface that the mail system
# receives mail on (see the inet_interfaces parameter).
#
# Specify a list of host or domain names, /file/name or type:table
# patterns, separated by commas and/or whitespace. A /file/name
# pattern is replaced by its contents; a type:table is matched when
# a name matches a lookup key (the right-hand side is ignored).
# Continue long lines by starting the next line with whitespace.
#
# See also below, section "REJECTING MAIL FOR UNKNOWN LOCAL USERS".
#
{% if postfix_use_domain_name is defined %}
{% elif domain_name is defined %}
mydestination = {{ ansible_fqdn }}, localhost, {{ domain_name }}
{% else %}
mydestination = {{ ansible_fqdn }}, localhost
{% endif %}
# REJECTING MAIL FOR UNKNOWN LOCAL USERS
#
# The local_recipient_maps parameter specifies optional lookup tables
# with all names or addresses of users that are local with respect
# to $mydestination, $inet_interfaces or $proxy_interfaces.
#
# If this parameter is defined, then the SMTP server will reject
# mail for unknown local users. This parameter is defined by default.
#
# To turn off local recipient checking in the SMTP server, specify
# local_recipient_maps = (i.e. empty).
#
# The default setting assumes that you use the default Postfix local
# delivery agent for local delivery. You need to update the
# local_recipient_maps setting if:
#
# - You define $mydestination domain recipients in files other than
# /etc/passwd, /etc/aliases, or the $virtual_alias_maps files.
# For example, you define $mydestination domain recipients in
# the $virtual_mailbox_maps files.
#
# - You redefine the local delivery agent in master.cf.
#
# - You redefine the "local_transport" setting in main.cf.
#
# - You use the "luser_relay", "mailbox_transport", or "fallback_transport"
# feature of the Postfix local delivery agent (see local(8)).
#
# Details are described in the LOCAL_RECIPIENT_README file.
#
# Beware: if the Postfix SMTP server runs chrooted, you probably have
# to access the passwd file via the proxymap service, in order to
# overcome chroot restrictions. The alternative, having a copy of
# the system passwd file in the chroot jail is just not practical.
#
# The right-hand side of the lookup tables is conveniently ignored.
# In the left-hand side, specify a bare username, an @domain.tld
# wild-card, or specify a user@domain.tld address.
#
#local_recipient_maps = unix:passwd.byname $alias_maps
#local_recipient_maps = proxy:unix:passwd.byname $alias_maps
{% if postfix_virtual_transport_enabled %}
local_recipient_maps =
{% elif not postfix_local_recipients %}
#local_recipient_maps =
{% endif %}
# The unknown_local_recipient_reject_code specifies the SMTP server
# response code when a recipient domain matches $mydestination or
# ${proxy,inet}_interfaces, while $local_recipient_maps is non-empty
# and the recipient address or address local-part is not found.
#
# The default setting is 550 (reject mail) but it is safer to start
# with 450 (try again later) until you are certain that your
# local_recipient_maps settings are OK.
#
{% if postfix_delivery_soft_bounce %}
unknown_local_recipient_reject_code = 450
{% else %}
unknown_local_recipient_reject_code = 550
{% endif %}
# TRUST AND RELAY CONTROL
# The mynetworks parameter specifies the list of "trusted" SMTP
# clients that have more privileges than "strangers".
#
# In particular, "trusted" SMTP clients are allowed to relay mail
# through Postfix. See the smtpd_recipient_restrictions parameter
# in postconf(5).
#
# You can specify the list of "trusted" network addresses by hand
# or you can let Postfix do it for you (which is the default).
#
# By default (mynetworks_style = subnet), Postfix "trusts" SMTP
# clients in the same IP subnetworks as the local machine.
# On Linux, this does works correctly only with interfaces specified
# with the "ifconfig" command.
#
# Specify "mynetworks_style = class" when Postfix should "trust" SMTP
# clients in the same IP class A/B/C networks as the local machine.
# Don't do this with a dialup site - it would cause Postfix to "trust"
# your entire provider's network. Instead, specify an explicit
# mynetworks list by hand, as described below.
#
# Specify "mynetworks_style = host" when Postfix should "trust"
# only the local machine.
#
#mynetworks_style = class
#mynetworks_style = subnet
#mynetworks_style = host
# Alternatively, you can specify the mynetworks list by hand, in
# which case Postfix ignores the mynetworks_style setting.
#
# Specify an explicit list of network/netmask patterns, where the
# mask specifies the number of bits in the network part of a host
# address.
#
# You can also specify the absolute pathname of a pattern file instead
# of listing the patterns here. Specify type:table for table-based lookups
# (the value on the table right-hand side is not used).
#
#mynetworks = 168.100.189.0/28, 127.0.0.0/8
#mynetworks = $config_directory/mynetworks
#mynetworks = hash:/etc/postfix/network_table
{% if not postfix_use_inet_interfaces %}
mynetworks = 127.0.0.0/8
{% else %}
mynetworks = {{ postfix_mynetworks }}
{% endif %}
# The relay_domains parameter restricts what destinations this system will
# relay mail to. See the smtpd_recipient_restrictions description in
# postconf(5) for detailed information.
#
# By default, Postfix relays mail
# - from "trusted" clients (IP address matches $mynetworks) to any destination,
# - from "untrusted" clients to destinations that match $relay_domains or
# subdomains thereof, except addresses with sender-specified routing.
# The default relay_domains value is $mydestination.
#
# In addition to the above, the Postfix SMTP server by default accepts mail
# that Postfix is final destination for:
# - destinations that match $inet_interfaces or $proxy_interfaces,
# - destinations that match $mydestination
# - destinations that match $virtual_alias_domains,
# - destinations that match $virtual_mailbox_domains.
# These destinations do not need to be listed in $relay_domains.
#
# Specify a list of hosts or domains, /file/name patterns or type:name
# lookup tables, separated by commas and/or whitespace. Continue
# long lines by starting the next line with whitespace. A file name
# is replaced by its contents; a type:name table is matched when a
# (parent) domain appears as lookup key.
#
# NOTE: Postfix will not automatically forward mail for domains that
# list this system as their primary or backup MX host. See the
# permit_mx_backup restriction description in postconf(5).
#
#relay_domains = $mydestination
# INTERNET OR INTRANET
# The relayhost parameter specifies the default host to send mail to
# when no entry is matched in the optional transport(5) table. When
# no relayhost is given, mail is routed directly to the destination.
#
# On an intranet, specify the organizational domain name. If your
# internal DNS uses no MX records, specify the name of the intranet
# gateway host instead.
#
# In the case of SMTP, specify a domain, host, host:port, [host]:port,
# [address] or [address]:port; the form [host] turns off MX lookups.
#
# If you're connected via UUCP, see also the default_transport parameter.
#
{% if postfix_use_relay_host %}
relayhost = {{ postfix_relay_host }}:{{ postfix_relay_port }}
{% endif %}
# REJECTING UNKNOWN RELAY USERS
#
# The relay_recipient_maps parameter specifies optional lookup tables
# with all addresses in the domains that match $relay_domains.
#
# If this parameter is defined, then the SMTP server will reject
# mail for unknown relay users. This feature is off by default.
#
# The right-hand side of the lookup tables is conveniently ignored.
# In the left-hand side, specify an @domain.tld wild-card, or specify
# a user@domain.tld address.
#
#relay_recipient_maps = hash:/etc/postfix/relay_recipients
# INPUT RATE CONTROL
#
# The in_flow_delay configuration parameter implements mail input
# flow control. This feature is turned on by default, although it
# still needs further development (it's disabled on SCO UNIX due
# to an SCO bug).
#
# A Postfix process will pause for $in_flow_delay seconds before
# accepting a new message, when the message arrival rate exceeds the
# message delivery rate. With the default 100 SMTP server process
# limit, this limits the mail inflow to 100 messages a second more
# than the number of messages delivered per second.
#
# Specify 0 to disable the feature. Valid delays are 0..10.
#
#in_flow_delay = 1s
# ADDRESS REWRITING
#
# The ADDRESS_REWRITING_README document gives information about
# address masquerading or other forms of address rewriting including
# username->Firstname.Lastname mapping.
# ADDRESS REDIRECTION (VIRTUAL DOMAIN)
#
# The VIRTUAL_README document gives information about the many forms
# of domain hosting that Postfix supports.
# "USER HAS MOVED" BOUNCE MESSAGES
#
# See the discussion in the ADDRESS_REWRITING_README document.
# TRANSPORT MAP
#
# See the discussion in the ADDRESS_REWRITING_README document.
{% if postfix_transport_map_enabled %}
transport_maps = {% for tmap in postfix_transport_maps %}{{ tmap }}{% if not loop.last %}, {% endif %}{% endfor %}
{% endif %}
# ALIAS DATABASE
#
# The alias_maps parameter specifies the list of alias databases used
# by the local delivery agent. The default list is system dependent.
#
# On systems with NIS, the default is to search the local alias
# database, then the NIS alias database. See aliases(5) for syntax
# details.
#
# If you change the alias database, run "postalias /etc/aliases" (or
# wherever your system stores the mail alias file), or simply run
# "newaliases" to build the necessary DBM or DB file.
#
# It will take a minute or so before changes become visible. Use
# "postfix reload" to eliminate the delay.
#
alias_maps = {% for alias in postfix_alias_maps %}{{ alias }}{% if not loop.last %}, {% endif %}{% endfor %}
# The alias_database parameter specifies the alias database(s) that
# are built with "newaliases" or "sendmail -bi". This is a separate
# configuration parameter, because alias_maps (see above) may specify
# tables that are not necessarily all under control by Postfix.
#
alias_database = {% for dbalias in postfix_alias_databases %}{{ dbalias }}{% if not loop.last %}, {% endif %}{% endfor %}
# ADDRESS EXTENSIONS (e.g., user+foo)
#
# The recipient_delimiter parameter specifies the separator between
# user names and address extensions (user+foo). See canonical(5),
# local(8), relocated(5) and virtual(5) for the effects this has on
# aliases, canonical, virtual, relocated and .forward file lookups.
# Basically, the software tries user+foo and .forward+foo before
# trying user and .forward.
#
recipient_delimiter = {{ postfix_recipient_delimiter }}
# DELIVERY TO MAILBOX
#
# The home_mailbox parameter specifies the optional pathname of a
# mailbox file relative to a user's home directory. The default
# mailbox file is /var/spool/mail/user or /var/mail/user. Specify
# "Maildir/" for qmail-style delivery (the / is required).
#
#home_mailbox = Mailbox
#home_mailbox = Maildir/
# The mail_spool_directory parameter specifies the directory where
# UNIX-style mailboxes are kept. The default setting depends on the
# system type.
#
#mail_spool_directory = /var/mail
#mail_spool_directory = /var/spool/mail
# The mailbox_command parameter specifies the optional external
# command to use instead of mailbox delivery. The command is run as
# the recipient with proper HOME, SHELL and LOGNAME environment settings.
# Exception: delivery for root is done as $default_user.
#
# Other environment variables of interest: USER (recipient username),
# EXTENSION (address extension), DOMAIN (domain part of address),
# and LOCAL (the address localpart).
#
# Unlike other Postfix configuration parameters, the mailbox_command
# parameter is not subjected to $parameter substitutions. This is to
# make it easier to specify shell syntax (see example below).
#
# Avoid shell meta characters because they will force Postfix to run
# an expensive shell process. Procmail alone is expensive enough.
#
# IF YOU USE THIS TO DELIVER MAIL SYSTEM-WIDE, YOU MUST SET UP AN
# ALIAS THAT FORWARDS MAIL FOR ROOT TO A REAL USER.
#
#mailbox_command = /some/where/procmail
#mailbox_command = /some/where/procmail -a "$EXTENSION"
# The mailbox_transport specifies the optional transport in master.cf
# to use after processing aliases and .forward files. This parameter
# has precedence over the mailbox_command, fallback_transport and
# luser_relay parameters.
#
# Specify a string of the form transport:nexthop, where transport is
# the name of a mail delivery transport defined in master.cf. The
# :nexthop part is optional. For more details see the sample transport
# configuration file.
#
# NOTE: if you use this feature for accounts not in the UNIX password
# file, then you must update the "local_recipient_maps" setting in
# the main.cf file, otherwise the SMTP server will reject mail for
# non-UNIX accounts with "User unknown in local recipient table".
#
# Cyrus IMAP over LMTP. Specify ``lmtpunix cmd="lmtpd"
# listen="/var/imap/socket/lmtp" prefork=0'' in cyrus.conf.
#mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp
# If using the cyrus-imapd IMAP server deliver local mail to the IMAP
# server using LMTP (Local Mail Transport Protocol), this is prefered
# over the older cyrus deliver program by setting the
# mailbox_transport as below:
#
# mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp
#
# The efficiency of LMTP delivery for cyrus-imapd can be enhanced via
# these settings.
#
# local_destination_recipient_limit = 300
# local_destination_concurrency_limit = 5
#
# Of course you should adjust these settings as appropriate for the
# capacity of the hardware you are using. The recipient limit setting
# can be used to take advantage of the single instance message store
# capability of Cyrus. The concurrency limit can be used to control
# how many simultaneous LMTP sessions will be permitted to the Cyrus
# message store.
#
# Cyrus IMAP via command line. Uncomment the "cyrus...pipe" and
# subsequent line in master.cf.
#mailbox_transport = cyrus
# The fallback_transport specifies the optional transport in master.cf
# to use for recipients that are not found in the UNIX passwd database.
# This parameter has precedence over the luser_relay parameter.
#
# Specify a string of the form transport:nexthop, where transport is
# the name of a mail delivery transport defined in master.cf. The
# :nexthop part is optional. For more details see the sample transport
# configuration file.
#
# NOTE: if you use this feature for accounts not in the UNIX password
# file, then you must update the "local_recipient_maps" setting in
# the main.cf file, otherwise the SMTP server will reject mail for
# non-UNIX accounts with "User unknown in local recipient table".
#
#fallback_transport = lmtp:unix:/var/lib/imap/socket/lmtp
#fallback_transport =
{% if postfix_virtual_transport_enabled %}
virtual_transport = {{ postfix_virtual_transport_protocol }}:{{ postfix_lmtp_protocol }}:{{ postfix_lmtp_host }}:{{ postfix_lmtp_port }}
virtual_mailbox_domains = {{ postfix_virtual_mailbox_domains }}
virtual_mailbox_maps = {% for mbmap in postfix_virtual_mailbox_maps %}{{ mbmap }} {% endfor %}
{% endif %}
{% if postfix_virtual_domains %}
virtual_alias_domains = {{ postfix_virtual_alias_domains }}
{% endif %}
{% if postfix_virtual_addresses %}
virtual_alias_maps = {% for mbmap in postfix_virtual_alias_maps %}{{ mbmap }} {% endfor %}
virtual_mailbox_limit = {{ postfix_message_size_limit }}
{% endif %}
# The luser_relay parameter specifies an optional destination address
# for unknown recipients. By default, mail for unknown@$mydestination,
# unknown@[$inet_interfaces] or unknown@[$proxy_interfaces] is returned
# as undeliverable.
#
# The following expansions are done on luser_relay: $user (recipient
# username), $shell (recipient shell), $home (recipient home directory),
# $recipient (full recipient address), $extension (recipient address
# extension), $domain (recipient domain), $local (entire recipient
# localpart), $recipient_delimiter. Specify ${name?value} or
# ${name:value} to expand value only when $name does (does not) exist.
#
# luser_relay works only for the default Postfix local delivery agent.
#
# NOTE: if you use this feature for accounts not in the UNIX password
# file, then you must specify "local_recipient_maps =" (i.e. empty) in
# the main.cf file, otherwise the SMTP server will reject mail for
# non-UNIX accounts with "User unknown in local recipient table".
#
#luser_relay = $user@other.host
#luser_relay = $local@other.host
#luser_relay = admin+$local
# JUNK MAIL CONTROLS
#
# The controls listed here are only a very small subset. The file
# SMTPD_ACCESS_README provides an overview.
# The header_checks parameter specifies an optional table with patterns
# that each logical message header is matched against, including
# headers that span multiple physical lines.
#
# By default, these patterns also apply to MIME headers and to the
# headers of attached messages. With older Postfix versions, MIME and
# attached message headers were treated as body text.
#
# For details, see "man header_checks".
#
#header_checks = regexp:/etc/postfix/header_checks
#
# UCE/RBL
#
disable_vrfy_command = yes
smtpd_delay_reject = yes
smtpd_helo_required = yes
mailbox_size_limit = {{ postfix_message_size_limit }}
message_size_limit = {{ postfix_message_size_limit }}
{% if postfix_use_milter %}
#
# MILTER CONFIGURATION
#
# clamav, milter-greylist, spamassassin
#
#milter_connect_timeout = 30s
#milter_command_timeout = 30s
#milter_content_timeout = 300s
# The default is 6
#milter_protocol = 6
{% if postfix_spamassassin_milter %}
# spamassassin wants _
milter_connect_macros = j {daemon_name} v _
{% endif %}
# What to do in case of errors? Specify accept, reject, tempfail,
# or quarantine (Postfix 2.6 or later).
milter_default_action = {{ postfix_milter_action }}
smtpd_milters =
{% if postfix_clamav_milter %}
{{ postfix_clamav_milter_socket }}
{% endif %}
{% if postfix_spamassassin_milter %}
{{ postfix_spamassassin_milter_socket }}
{% endif %}
{% endif %}
{% if postfix_smtpd_server %}
smtpd_client_restrictions =
permit_mynetworks
permit_inet_interfaces
{% if postfix_submission_server %}
permit_sasl_authenticated
{% endif %}
{% if postfix_mx_server %}
reject_unknown_sender_domain
reject_non_fqdn_sender
reject_non_fqdn_recipient
reject_invalid_hostname
# reject_non_fqdn_hostname
reject_unauth_destination
reject_unknown_recipient_domain
reject_unlisted_recipient
{% if postfix_rbl_enabled %}
reject_rbl_client {{ postfix_rbl_list }}
{% endif %}
{% endif %}
{% if postfix_mx_server %}
permit
{% else %}
reject
{% endif %}
{% if postfix_submission_server %}
smtpd_sasl_path = smtpd
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = {{ postfix_smtp_sasl_security_options }}
smtpd_sasl_tls_security_options = {{ postfix_smtp_sasl_tls_security_options }}
smtpd_sasl_authenticated_header = yes
broken_sasl_auth_clients = yes
# Block clients that speak too early.
smtpd_data_restrictions = reject_unauth_pipelining
{% endif %}
{% if postfix_smtpd_reject_unknown_helo_hostname %}
# Don't talk to mail systems that don't know their own hostname. Use with care: it breaks most dialup setups
smtpd_helo_restrictions = reject_unknown_helo_hostname
{% endif %}
{% if postfix_reject_unknown_sender_domain %}
# Don't accept mail from domains that don't exist.
smtpd_sender_restrictions = reject_unknown_sender_domain
{% endif %}
{% if postfix_submission_server %}
# Relay control: local clients and
# authenticated clients may specify any destination domain.
smtpd_relay_restrictions = permit_sasl_authenticated, reject
{% endif %}
{% if postfix_behind_haproxy %}
smtpd_upstream_proxy_protocol=haproxy
{% endif %}
{% endif %}
# FAST ETRN SERVICE
#
# Postfix maintains per-destination logfiles with information about
# deferred mail, so that mail can be flushed quickly with the SMTP
# "ETRN domain.tld" command, or by executing "sendmail -qRdomain.tld".
# See the ETRN_README document for a detailed description.
#
# The fast_flush_domains parameter controls what destinations are
# eligible for this service. By default, they are all domains that
# this server is willing to relay mail to.
#
#fast_flush_domains = $relay_domains
# SHOW SOFTWARE VERSION OR NOT
#
# The smtpd_banner parameter specifies the text that follows the 220
# code in the SMTP server's greeting banner. Some people like to see
# the mail version advertised. By default, Postfix shows no version.
#
# You MUST specify $myhostname at the start of the text. That is an
# RFC requirement. Postfix itself does not care.
#
#smtpd_banner = $myhostname ESMTP $mail_name ($mail_version)
smtpd_banner = $myhostname ESMTP $mail_name
# PARALLEL DELIVERY TO THE SAME DESTINATION
#
# How many parallel deliveries to the same user or domain? With local
# delivery, it does not make sense to do massively parallel delivery
# to the same user, because mailbox updates must happen sequentially,
# and expensive pipelines in .forward files can cause disasters when
# too many are run at the same time. With SMTP deliveries, 10
# simultaneous connections to the same domain could be sufficient to
# raise eyebrows.
#
# Each message delivery transport has its XXX_destination_concurrency_limit
# parameter. The default is $default_destination_concurrency_limit for
# most delivery transports. For the local delivery agent the default is 2.
local_destination_concurrency_limit = {{ postfix_local_dest_concurrency_limit }}
default_destination_concurrency_limit = {{ postfix_default_destination_concurrency_limit }}
# DEBUGGING CONTROL
#
# The debug_peer_level parameter specifies the increment in verbose
# logging level when an SMTP client or server host name or address
# matches a pattern in the debug_peer_list parameter.
#
debug_peer_level = 2
# The debug_peer_list parameter specifies an optional list of domain
# or network patterns, /file/name patterns or type:name tables. When
# an SMTP client or server host name or address matches a pattern,
# increase the verbose logging level by the amount specified in the
# debug_peer_level parameter.
#
#debug_peer_list = 127.0.0.1
#debug_peer_list = some.domain
# The debugger_command specifies the external command that is executed
# when a Postfix daemon program is run with the -D option.
#
# Use "command .. & sleep 5" so that the debugger can attach before
# the process marches on. If you use an X-based debugger, be sure to
# set up your XAUTHORITY environment variable before starting Postfix.
#
#debugger_command =
# PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
# ddd $daemon_directory/$process_name $process_id & sleep 5
# If you can't use X, use this to capture the call stack when a
# daemon crashes. The result is in a file in the configuration
# directory, and is named after the process name and the process ID.
#
# debugger_command =
# PATH=/bin:/usr/bin:/usr/local/bin; export PATH; (echo cont;
# echo where) | gdb $daemon_directory/$process_name $process_id 2>&1
# >$config_directory/$process_name.$process_id.log & sleep 5
#
# Another possibility is to run gdb under a detached screen session.
# To attach to the screen sesssion, su root and run "screen -r
# <id_string>" where <id_string> uniquely matches one of the detached
# sessions (from "screen -list").
#
# debugger_command =
# PATH=/bin:/usr/bin:/sbin:/usr/sbin; export PATH; screen
# -dmS $process_name gdb $daemon_directory/$process_name
# $process_id & sleep 1
# INSTALL-TIME CONFIGURATION INFORMATION
#
# The following parameters are used when installing a new Postfix version.
#
# sendmail_path: The full pathname of the Postfix sendmail command.
# This is the Sendmail-compatible mail posting interface.
#
sendmail_path = /usr/sbin/sendmail.postfix
# newaliases_path: The full pathname of the Postfix newaliases command.
# This is the Sendmail-compatible command to build alias databases.
#
newaliases_path = /usr/bin/newaliases.postfix
# mailq_path: The full pathname of the Postfix mailq command. This
# is the Sendmail-compatible mail queue listing command.
#
mailq_path = /usr/bin/mailq.postfix
# setgid_group: The group for mail submission and queue management
# commands. This must be a group name with a numerical group ID that
# is not shared with other accounts, not even with the Postfix account.
#
setgid_group = postdrop
# html_directory: The location of the Postfix HTML documentation.
#
html_directory = no
# manpage_directory: The location of the Postfix on-line manual pages.
#
manpage_directory = /usr/share/man
# readme_directory: The location of the Postfix README files.
#
readme_directory = no
# TLS parameters
{% if letsencrypt_acme_install is defined %}
{% if postfix_use_letsencrypt %}
smtpd_tls_CAfile={{ letsencrypt_acme_certs_dir }}/fullchain
smtpd_tls_cert_file={{ letsencrypt_acme_certs_dir }}/fullchain
smtpd_tls_key_file={{ letsencrypt_acme_certs_dir }}/privkey
{% else %}
smtpd_tls_CAfile=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
{% endif %}
{% endif %}
{% if letsencrypt_acme_install is not defined %}
smtpd_tls_CAfile=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
{% endif %}
{% if postfix_tls_encryption_level == 'intermediate' %}
# 2019-12-11, https://ssl-config.mozilla.org/#server=postfix&server-version=2.10.1&config=intermediate&openssl-version=1.0.2k
smtpd_use_tls = yes
smtpd_tls_security_level = {{ postfix_smtpd_tls_security_level }}
{% if postfix_smtpd_server %}
smtpd_tls_auth_only = yes
{% endif %}
smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
smtpd_tls_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
smtpd_tls_mandatory_ciphers = medium
# curl https://ssl-config.mozilla.org/ffdhe2048.txt > /path/to/dhparam.pem
# not actually 1024 bits, this applies to all DHE >= 1024 bits
smtpd_tls_dh1024_param_file = {{ postfix_tls_dhparam_file }}
tls_medium_cipherlist = ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384
tls_preempt_cipherlist = no
{% elif postfix_tls_encryption_level == 'old' %}
# 2019-12-11, https://ssl-config.mozilla.org/#server=postfix&server-version=2.10.1&config=old&openssl-version=1.0.2k
smtpd_use_tls = yes
smtpd_tls_security_level = {{ postfix_smtpd_tls_security_level }}
{% if postfix_smtpd_server %}
smtpd_tls_auth_only = yes
{% endif %}
smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3
smtpd_tls_protocols = !SSLv2, !SSLv3
smtpd_tls_mandatory_ciphers = medium
# openssl dhparam 1024 > /path/to/dhparam.pem
# not actually 1024 bits, this applies to all DHE >= 1024 bits
smtpd_tls_dh1024_param_file = {{ postfix_tls_dhparam_file }}
tls_medium_cipherlist = ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA256:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA
tls_preempt_cipherlist = yes
{% endif %}
# Server
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
# Client
smtp_tls_security_level = {{ postfix_smtp_tls_security_level }}
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
{% if ansible_distribution_file_variety == "Debian" %}
{% if ansible_distribution_version is version_compare('18.04', '>=') %}
compatibility_level=2
{% endif %}
{% endif %}

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#
# Postfix master process configuration file. For details on the format
# of the file, see the master(5) manual page (command: "man 5 master").
#
# Do not forget to execute "postfix reload" after editing this file.
#
# ==========================================================================
# service type private unpriv chroot wakeup maxproc command + args
# (yes) (yes) (yes) (never) (100)
# ==========================================================================
{% if postfix_smtpd_server %}
smtp inet n - n - - smtpd
{% endif %}
#smtp inet n - n - 1 postscreen
#smtpd pass - - n - - smtpd
#dnsblog unix - - n - 0 dnsblog
#tlsproxy unix - - n - 0 tlsproxy
{% if postfix_submission_server %}
submission inet n - n - - smtpd
-o syslog_name=postfix/submission
-o smtpd_tls_security_level={{ postfix_smtpd_tls_security_level }}
{% if postfix_use_letsencrypt %}
-o smtpd_tls_CAfile={{ letsencrypt_acme_certs_dir }}/fullchain
-o smtpd_tls_cert_file={{ letsencrypt_acme_certs_dir }}/cert
-o smtpd_tls_key_file={{ letsencrypt_acme_certs_dir }}/privkey
{% endif %}
-o smtpd_sasl_auth_enable=yes
-o smtpd_reject_unlisted_recipient=no
# -o smtpd_client_restrictions=$mua_client_restrictions
# -o smtpd_helo_restrictions=$mua_helo_restrictions
# -o smtpd_sender_restrictions=$mua_sender_restrictions
-o smtpd_recipient_restrictions=permit_sasl_authenticated,reject
{% if postfix_behind_haproxy %}
-o smtpd_upstream_proxy_protocol=haproxy
{% endif %}
-o milter_macro_daemon_name=ORIGINATING
smtps inet n - n - - smtpd
-o syslog_name=postfix/smtps
-o smtpd_tls_wrappermode=yes
{% if postfix_use_letsencrypt %}
-o smtpd_tls_CAfile={{ letsencrypt_acme_certs_dir }}/fullchain
-o smtpd_tls_cert_file={{ letsencrypt_acme_certs_dir }}/cert
-o smtpd_tls_key_file={{ letsencrypt_acme_certs_dir }}/privkey
{% endif %}
{% if postfix_behind_haproxy %}
-o smtpd_upstream_proxy_protocol=haproxy
{% endif %}
-o smtpd_sasl_auth_enable=yes
-o smtpd_reject_unlisted_recipient=no
# -o smtpd_client_restrictions=$mua_client_restrictions
# -o smtpd_helo_restrictions=$mua_helo_restrictions
# -o smtpd_sender_restrictions=$mua_sender_restrictions
-o smtpd_recipient_restrictions=permit_sasl_authenticated,reject
-o milter_macro_daemon_name=ORIGINATING
{% endif %}
#628 inet n - n - - qmqpd
pickup unix n - n 60 1 pickup
cleanup unix n - n - 0 cleanup
qmgr unix n - n 300 1 qmgr
#qmgr unix n - n 300 1 oqmgr
tlsmgr unix - - n 1000? 1 tlsmgr
rewrite unix - - n - - trivial-rewrite
bounce unix - - n - 0 bounce
defer unix - - n - 0 bounce
trace unix - - n - 0 bounce
verify unix - - n - 1 verify
flush unix n - n 1000? 0 flush
proxymap unix - - n - - proxymap
proxywrite unix - - n - 1 proxymap
smtp unix - - n - - smtp
relay unix - - n - - smtp
# -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
showq unix n - n - - showq
error unix - - n - - error
retry unix - - n - - error
discard unix - - n - - discard
local unix - n n - - local
virtual unix - n n - - virtual
lmtp unix - - - - - lmtp
anvil unix - - n - 1 anvil
scache unix - - n - 1 scache
{% if postfix_spamassassin_milter %}
scan unix - - n - 10 smtp
-o smtp_send_xforward_command=yes
-o disable_mime_output_conversion=yes
-o smtp_generic_maps=
{% endif %}
#
# ====================================================================
# Interfaces to non-Postfix software. Be sure to examine the manual
# pages of the non-Postfix software to find out what options it wants.
#
# Many of the following services use the Postfix pipe(8) delivery
# agent. See the pipe(8) man page for information about ${recipient}
# and other message envelope options.
# ====================================================================
#
# maildrop. See the Postfix MAILDROP_README file for details.
# Also specify in main.cf: maildrop_destination_recipient_limit=1
#
#maildrop unix - n n - - pipe
# flags=DRhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient}
#
# ====================================================================
#
# Recent Cyrus versions can use the existing "lmtp" master.cf entry.
#
# Specify in cyrus.conf:
# lmtp cmd="lmtpd -a" listen="localhost:lmtp" proto=tcp4
#
# Specify in main.cf one or more of the following:
# mailbox_transport = lmtp:inet:localhost
# virtual_transport = lmtp:inet:localhost
#
# ====================================================================
#
# Cyrus 2.1.5 (Amos Gouaux)
# Also specify in main.cf: cyrus_destination_recipient_limit=1
#
#cyrus unix - n n - - pipe
# user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -r ${sender} -m ${extension} ${user}
#
# ====================================================================
#
# Old example of delivery via Cyrus.
#
#old-cyrus unix - n n - - pipe
# flags=R user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -m ${extension} ${user}
#
# ====================================================================
#
# See the Postfix UUCP_README file for configuration details.
#
#uucp unix - n n - - pipe
# flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
#
# ====================================================================
#
# Other external delivery methods.
#
#ifmail unix - n n - - pipe
# flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
#
#bsmtp unix - n n - - pipe
# flags=Fq. user=bsmtp argv=/usr/local/sbin/bsmtp -f $sender $nexthop $recipient
#
#scalemail-backend unix - n n - 2 pipe
# flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store
# ${nexthop} ${user} ${extension}
#
#mailman unix - n n - - pipe
# flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
# ${nexthop} ${user}

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{% for net in postfix_mynetworks_data %}
{{ net }} OK
{% endfor %}

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#!/bin/bash
LE_LOG_DIR=/var/log/acme
DATE=$( date )
[ ! -d $LE_LOG_DIR ] && mkdir $LE_LOG_DIR
echo "$DATE" >> $LE_LOG_DIR/postfix.log
echo "Reload the postfix service" >> $LE_LOG_DIR/postfix.log
if [ -x /bin/systemctl ] ; then
systemctl reload postfix >> $LE_LOG_DIR/postfix.log 2>&1
else
service postfix reload >> $LE_LOG_DIR/postfix.log 2>&1
fi
echo "Done." >> $LE_LOG_DIR/postfix.log
exit 0

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# Postfix mailq
command[postfix_check_mailqueue]=/usr/bin/sudo {{ nagios_plugins_dir }}/check_postfix_mailqueue -w {{ nagios_postfix_mailq_w }} -c {{ nagios_postfix_mailq_c }}
# Postfix processed
command[postfix_check_processed]=/usr/bin/sudo {{ nagios_plugins_dir }}/check_postfix_processed -w {{ nagios_postfix_processed_w }} -c {{ nagios_postfix_processed_c }}

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{{ postfix_relay_host }}:{{ postfix_relay_port }} {{ postfix_smtp_relay_user }}:{{ postfix_smtp_relay_pwd }}

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ldap_servers: {{ postfix_sasl_ldap_servers }}
ldap_bind_dn: {{ postfix_sasl_ldap_bind_dn }}
ldap_bind_pw: {{ postfix_sasl_ldap_bind_pw }}
ldap_timeout: {{ postfix_sasl_ldap_timeout }}
ldap_time_limit: {{ postfix_sasl_ldap_time_limit }}
ldap_scope: {{ postfix_sasl_ldap_scope }}
ldap_search_base: {{ postfix_sasl_ldap_search_base }}
ldap_auth_method: {{ postfix_sasl_ldap_auth_method }}
ldap_filter: {{ postfix_sasl_ldap_filter }}
ldap_debug: {{ postfix_sasl_ldap_debug }}
ldap_verbose: {{ postfix_sasl_ldap_verbose }}
ldap_ssl: {{ postfix_sasl_ldap_ssl }}
ldap_starttls: {{ postfix_sasl_ldap_starttls }}
ldap_referrals: {{ postfix_sasl_ldap_referrals }}

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# Directory in which to place saslauthd's listening socket, pid file, and so
# on. This directory must already exist.
SOCKETDIR=/run/saslauthd
# Mechanism to use when checking passwords. Run "saslauthd -v" to get a list
# of which mechanism your installation was compiled with the ablity to use.
MECH="{{ postfix_saslauthd_mech }}"
# Additional flags to pass to saslauthd on the command line. See saslauthd(8)
# for the list of accepted flags.
FLAGS={{ postfix_saslauthd_flags }}

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{% for map in postfix_transport_data %}
{{ map.domain }} {{ map.action }}
{% endfor %}

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{% if postfix_virtual_domains | bool %}
{% for dom in postfix_virtual_alias_domains_data %}
{{ dom.domain }} OK
{% endfor %}
{% elif postfix_virtual_addresses | bool %}
{% for dom in postfix_virtual_mailbox_domains_data %}
{{ dom.domain }} OK
{% endfor %}
{% else %}
localdomain OK
{% endif %}