########################################################################
# Nullmailer configuration

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

myorigin            = /etc/mailname
myhostname          = {{ ansible_fqdn }}
mydomain            = {{ ansible_domain }}
append_dot_mydomain = no

# This server is for internal use only
mynetworks_style  = host
inet_interfaces   = loopback-only
inet_protocols    = ipv4
# Tunnel everything through IPSec
smtp_bind_address = 172.16.0.1

# No local delivery
mydestination        =
local_transport      = error:5.1.1 Mailbox unavailable
alias_maps           =
local_recipient_maps =

# All aliases are virtual
default_database_type = cdb
virtual_alias_maps    = cdb:/etc/aliases
alias_database        = $virtual_alias_maps

# Transform local FQDN addresses to addresses routable on the internet
smtp_generic_maps = pcre:$config_directory/generic.pcre

# Forward everything to our internal mailhub
{% if 'MTA-out' in group_names %}
relayhost = [127.0.0.1]:2525
{% else %}
relayhost = [outgoing.fripost.org]:2525
{% endif %}

# This server is for internal use only; external connections are
# protected by IPSec already
smtpd_tls_security_level = none
smtp_tls_security_level  = none

{% set multi_instance = False %}
{%- for g in postfix_instance.keys() | sort -%}
  {%- if g in group_names -%}
    {%- if not multi_instance -%}
      {%- set multi_instance = True -%}
## Other postfix instances
multi_instance_wrapper     = $command_directory/postmulti -p --
multi_instance_enable      = yes
multi_instance_directories =
    {%- endif %} /etc/postfix-{{ postfix_instance[g].name }}
  {%- endif %}
{% endfor %}