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

{{ansible_managed|comment}}

### common settings

# 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.

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

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

readme_directory = no

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


### general settings

myhostname = {{mailname}}
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
mydestination = $myhostname, {{inventory_hostname}}, localhost.localdomain, localhost
relayhost = {{postfix_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


{% if postfix_relayhost_auth_enabled %}
### outgoing relay auth
# Enable auth
smtp_sasl_auth_enable = yes
# Set username and password
smtp_sasl_password_maps = static:{{postfix_relayhost_auth_user}}:{{postfix_relayhost_auth_pass}}
smtp_sasl_security_options = noanonymous
# Turn on tls encryption
smtp_tls_security_level = encrypt
header_size_limit = 4096000
{% endif %}

### TLS parameters

smtpd_tls_cert_file={{postfix_certificate_fullchain_file}}
smtpd_tls_key_file={{postfix_certificate_private_key_file}}
smtpd_use_tls=yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
{% if not postfix_relayhost_auth_enabled %}
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtp_tls_security_level = may
{% endif %}


### rules and restricitons

message_size_limit = 52428800

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

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

# Require that a remote SMTP client introduces itself
#smtpd_helo_required = yes

# 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,
  reject_unauth_destination

# Block clients that speak too early.
smtpd_data_restrictions = reject_unauth_pipelining

{% if postfix_check_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
#}



### 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 %}



### transport configuration

relay_domains =
  hash:/etc/postfix/transport_maps,
transport_maps =
  hash:/etc/postfix/transport_maps,
{% if postfix_with_sympa %}
  hash:/etc/postfix/transport.sympa,
  hash:/var/lib/sympa/transport,
{% endif %}



### Virtual Domain Hosting

virtual_alias_domains =
  hash:/etc/postfix/virtual_alias_domains,

virtual_alias_maps =
  hash:/etc/postfix/virtual_alias_maps,
{% if postfix_with_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 %}
{% if postfix_with_sympa %}
  hash:/etc/postfix/virtual.sympa,
{% endif %}

virtual_mailbox_domains =
  hash:/etc/postfix/virtual_mailbox_domains,
{% if postfix_with_postfixadmin %}
  proxy:mysql:/etc/postfix/postfixadmin-sql/mysql_virtual_domains_maps.cf,
{% endif %}
{% if postfix_with_sympa %}
  hash:/etc/postfix/transport.sympa,
{% endif %}

virtual_mailbox_maps =
  hash:/etc/postfix/virtual_mailbox_maps,
{% if postfix_with_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 %}
{% if postfix_with_sympa %}
  hash:/etc/postfix/transport.sympa,
  hash:/var/lib/sympa/transport,
  hash:/etc/postfix/virtual.sympa,
{% endif %}

virtual_transport = {{postfix_virtual_transport}}


{% if postfix_with_sympa %}

### sympa
sympa_destination_recipient_limit = 1
sympabounce_destination_recipient_limit = 1
{% endif %}