########################################################################
# 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
compatibility_level = 2
smtputf8_enable     = no

delay_warning_time     = 4h
maximal_queue_lifetime = 5d

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

mynetworks = 127.0.0.0/8, [::1]/128
{%- for h in groups.webmail | difference([inventory_hostname]) | sort -%}
           , {{ ipsec[ hostvars[h].inventory_hostname_short ] | ansible.utils.ipaddr }}
{% endfor %}

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
relayhost     = [{{ postfix_instance.out.addr | ansible.utils.ipaddr }}]:{{ postfix_instance.out.port }}
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
policyd-spf_time_limit           = $ipc_timeout

# 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
smtp_tls_security_level         = none
smtpd_tls_security_level        = encrypt
smtpd_tls_mandatory_ciphers     = high
smtpd_tls_mandatory_protocols   = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
smtpd_tls_cert_file             = $config_directory/ssl/smtp.fripost.org.pem
smtpd_tls_key_file              = $config_directory/ssl/smtp.fripost.org.key
smtpd_tls_dh1024_param_file     = /etc/ssl/dhparams.pem
smtpd_tls_session_cache_database=
smtpd_tls_received_header       = yes
tls_high_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

# 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                = $double_bounce_sender@noreply.$mydomain
address_verify_poll_count            = 3
address_verify_relayhost             =
address_verify_sender_ttl            = 8069m
address_verify_negative_refresh_time = 5m
unverified_recipient_defer_code      = 250
unverified_recipient_reject_code     = 550
address_verify_map                   = lmdb:$data_directory/verify_cache
address_verify_default_transport     = smtp_verify

smtpd_client_restrictions =
    permit_sasl_authenticated
    reject

smtpd_helo_required     = yes
smtpd_helo_restrictions =
    reject_invalid_helo_hostname

smtpd_sender_login_maps   = socketmap:unix:private/sender-login:sender_login
smtpd_sender_restrictions =
    reject_non_fqdn_sender
    reject_unknown_sender_domain
    check_sender_access lmdb:$config_directory/check_sender_access
    check_policy_service unix:private/policyd-spf
    reject_known_sender_login_mismatch

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 :