ansible-role-postfix/templates/main.cf.j2

{{ansible_managed|comment}}

# See /usr/share/postfix/main.cf.dist for a commented, more complete version

# Debian specific:  Specifying a file name will cause the first
# line of that file to be used as the name.  The Debian default
# is /etc/mailname.
myorigin = /etc/mailname

smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no

# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h

readme_directory = no

# See http://www.postfix.org/COMPATIBILITY_README.html -- default to 2 on
# fresh installs.
compatibility_level = 2

# TLS parameters
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtpd_use_tls=yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.

myhostname = {{mailname}}
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
mydestination = $myhostname, {{inventory_hostname}}, localhost.localdomain, localhost
relayhost =
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
inet_protocols = all

# some rules from http://www.postfix.org/SMTPD_ACCESS_README.html

# Allow connections from trusted networks only.
#smtpd_client_restrictions = permit_mynetworks, reject

# Don't talk to mail systems that don't know their own hostname.
#smtpd_helo_restrictions = reject_unknown_helo_hostname

# Don't accept mail from domains that don't exist.
#smtpd_sender_restrictions = reject_unknown_sender_domain

# Spam control: exclude local clients and authenticated clients
# from DNSBL and SPF lookups.
smtpd_recipient_restrictions =
  permit_mynetworks,
  permit_sasl_authenticated,
{% if postfix_check_spf %}
  check_policy_service unix:private/policyd-spf,
{% endif %}
{% if postfix_check_spamhaus %}
  reject_rbl_client zen.spamhaus.org,
  reject_rhsbl_reverse_client dbl.spamhaus.org,
  reject_rhsbl_helo dbl.spamhaus.org,
  reject_rhsbl_sender dbl.spamhaus.org
{% endif %}

# Relay control: local clients and authenticated clients
# may specify any destination domain.
smtpd_relay_restrictions =
  permit_mynetworks,
{% if postfix_method == "postfixadmin" %}
  permit_sasl_authenticated,
{% endif %}
  reject_unauth_destination

# Block clients that speak too early.
smtpd_data_restrictions = reject_unauth_pipelining

{% if postfix_check_spf %}
# SPF
policy-spf_time_limit = 3600
{% endif %}

{#
# Enforce mail volume quota via policy service callouts.
smtpd_end_of_data_restrictions = check_policy_service unix:private/policy
#}

# SASL
{% if postfix_method == "postfixadmin" %}
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
smtpd_sasl_auth_enable = yes
{% endif %}

# DKIM and DMARC
non_smtpd_milters =
{% if postfix_with_opendkim %}
  unix:/run/opendkim/opendkim.sock,
{% endif %}
{% if postfix_with_opendmarc %}
  unix:/run/opendmarc/opendmarc.sock
{% endif %}
smtpd_milters =
{% if postfix_with_opendkim %}
  unix:/run/opendkim/opendkim.sock,
{% endif %}
{% if postfix_with_opendmarc %}
  unix:/run/opendmarc/opendmarc.sock
{% endif %}

# Relay

# Virtual Domain Hosting
virtual_mailbox_domains =
{% if postfix_method == "postfixadmin" %}
  proxy:mysql:/etc/postfix/postfixadmin-sql/mysql_virtual_domains_maps.cf
{% endif %}
virtual_alias_maps =
{% if postfix_method == "postfixadmin" %}
  proxy:mysql:/etc/postfix/postfixadmin-sql/mysql_virtual_alias_maps.cf,
  proxy:mysql:/etc/postfix/postfixadmin-sql/mysql_virtual_alias_domain_maps.cf,
  proxy:mysql:/etc/postfix/postfixadmin-sql/mysql_virtual_alias_domain_catchall_maps.cf
{% endif %}
virtual_mailbox_maps =
{% if postfix_method == "postfixadmin" %}
  proxy:mysql:/etc/postfix/postfixadmin-sql/mysql_virtual_mailbox_maps.cf,
  proxy:mysql:/etc/postfix/postfixadmin-sql/mysql_virtual_alias_domain_mailbox_maps.cf
{% endif %}

virtual_transport =
{% if postfix_method == "postfixadmin" %}
  # use dovecot lmtp for mail transport
  lmtp:unix:private/dovecot-lmtp
{% endif %}