########################################################################
# Mail Submission Agent (MSA) configuration
#
# {{ ansible_managed }}
# Do NOT edit this file directly!

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

delay_warning_time     = 4h
maximal_queue_lifetime = 5d

myorigin            = /etc/mailname
myhostname          = smtp{{ msano | default('') }}.$mydomain
mydomain            = fripost.org
append_dot_mydomain = no

mynetworks_style = host

queue_directory       = /var/spool/postfix-{{ postfix_instance[inst].name }}
data_directory        = /var/lib/postfix-{{ postfix_instance[inst].name }}
multi_instance_group  = {{ postfix_instance[inst].group | default('') }}
multi_instance_name   = postfix-{{ postfix_instance[inst].name }}
multi_instance_enable = yes

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

message_size_limit  = 67108864
recipient_delimiter = +

# Forward everything to our internal outgoing proxy
{% if 'out' in group_names %}
relayhost     = [127.0.0.1]:{{ postfix_instance.out.port }}
{% else %}
relayhost     = [outgoing.fripost.org]:{{ postfix_instance.out.port }}
{% endif %}
relay_domains =


# Don't rewrite remote headers
local_header_rewrite_clients     =
# Avoid splitting the envelope and scanning messages multiple times
smtp_destination_recipient_limit = 1000
# Tolerate occasional high latency
smtp_data_done_timeout           = 1200s

# Anonymize the (authenticated) sender; pass the mail to the antivirus
header_checks  = pcre:$config_directory/anonymize_sender.pcre
#content_filter = amavisfeed:unix:public/amavisfeed-antivirus


# TLS
{% if 'out' in group_names %}
smtp_tls_security_level         = none
smtp_bind_address               = 127.0.0.1
{% else %}
smtp_tls_security_level         = encrypt
smtp_tls_ciphers                = high
smtp_tls_protocols              = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
smtp_tls_exclude_ciphers        = EXPORT, LOW, MEDIUM, aNULL, eNULL, DES, RC4, MD5
smtp_tls_cert_file              = /etc/postfix/ssl/{{ ansible_fqdn }}.pem
smtp_tls_key_file               = /etc/postfix/ssl/{{ ansible_fqdn }}.key
smtp_tls_session_cache_database = btree:$data_directory/smtp_tls_session_cache
smtp_tls_policy_maps            = cdb:/etc/postfix/tls_policy
smtp_tls_fingerprint_digest     = sha256
{% endif %}

smtpd_tls_security_level        = encrypt
smtpd_tls_ciphers               = high
smtpd_tls_protocols             = !SSLv2, !SSLv3
smtpd_tls_exclude_ciphers       = EXPORT, LOW, MEDIUM, aNULL, eNULL, DES, RC4, MD5
smtpd_tls_cert_file             = /etc/postfix/ssl/smtp.fripost.org.pem
smtpd_tls_key_file              = /etc/postfix/ssl/smtp.fripost.org.key
smtpd_tls_dh1024_param_file     = /etc/ssl/dhparams.pem
smtpd_tls_session_cache_database=
smtpd_tls_received_header       = yes

# SASL
smtpd_sasl_auth_enable          = yes
smtpd_sasl_authenticated_header = no
smtpd_sasl_local_domain         =
smtpd_sasl_exceptions_networks  = $mynetworks
smtpd_sasl_security_options     = noanonymous, noplaintext
smtpd_sasl_tls_security_options = noanonymous
broken_sasl_auth_clients        = yes
smtpd_sasl_type                 = dovecot
smtpd_sasl_path                 = unix:private/dovecot-auth


strict_rfc821_envelopes = yes
smtpd_delay_reject      = yes
disable_vrfy_command    = yes

address_verify_sender            = $double_bounce_sender@$mydomain
address_verify_sender_ttl        = 24h
unverified_recipient_defer_code  = 250
unverified_recipient_reject_code = 550

smtpd_client_restrictions =
    permit_sasl_authenticated
    reject

smtpd_helo_required     = yes
smtpd_helo_restrictions =
    reject_invalid_helo_hostname

smtpd_sender_restrictions =
    reject_non_fqdn_sender
    reject_unknown_sender_domain

smtpd_relay_restrictions =
    reject_non_fqdn_recipient
    reject_unknown_recipient_domain
    reject_unverified_recipient
    permit_sasl_authenticated
    reject

smtpd_data_restrictions =
    reject_unauth_pipelining

# vim: set filetype=pfmain :