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-rw-r--r--roles/mx/templates/etc/postfix/main.cf.j218
1 files changed, 11 insertions, 7 deletions
diff --git a/roles/mx/templates/etc/postfix/main.cf.j2 b/roles/mx/templates/etc/postfix/main.cf.j2
index 5c44781..8c1da35 100644
--- a/roles/mx/templates/etc/postfix/main.cf.j2
+++ b/roles/mx/templates/etc/postfix/main.cf.j2
@@ -6,93 +6,97 @@
smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
biff = no
readme_directory = no
mail_owner = postfix
delay_warning_time = 4h
maximal_queue_lifetime = 5d
myorigin = /etc/mailname
myhostname = mx{{ mxno | default('') }}.$mydomain
mydomain = {{ ansible_domain }}
append_dot_mydomain = no
# Turn off all TCP/IP listener ports except that necessary for the mail
# exchange.
master_service_disable = !smtp.inet inet
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 }}
+multi_instance_group = {{ postfix_instance[inst].group | default('') }}
multi_instance_name = postfix-{{ postfix_instance[inst].name }}
multi_instance_enable = yes
# This server is a Mail eXchange
mynetworks_style = host
inet_interfaces = all
inet_protocols = all
# 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 mailhub
{% if 'MTA-out' in group_names %}
-relay_transport = lmtp:unix:private/mta-out
+relayhost = [127.0.0.1]:{{ MTA_out.port }}
{% else %}
-relayhost = [{{ MTA_out.IPv4 }}]:{{ MTA_out.port }}
+relayhost = [{{ MTA_out.IPv4 }}]:{{ MTA_out.port }}
{% endif %}
-relay_domains =
+relay_domains =
+# Virtual transport
{% if 'LDA' in group_names %}
-virtual_transport = lmtp:unix:private/lda
+virtual_transport = smtp:[127.0.0.1]:{{ LDA.port }}
{% else %}
virtual_transport = smtp:[{{ LDA.IPv4 }}]:{{ LDA.port }}
{% endif %}
virtual_mailbox_domains = ldap:$config_directory/virtual/mailbox_domains.cf
virtual_alias_maps = pcre:$config_directory/virtual/reserved_maps.pcre
ldap:$config_directory/virtual/alias_maps.cf
ldap:$config_directory/virtual/lists_maps.cf
ldap:$config_directory/virtual/alias_catchall_maps.cf
virtual_mailbox_maps = ldap:$config_directory/virtual/mailbox_maps.cf
mailbox_transport_maps = cdb:$config_directory/virtual/reserved_transport_maps
ldap:$config_directory/virtual/transport_lists_maps.cf
-# Pass the client information along to the content filter
+# Don't rewrite remote headers
local_header_rewrite_clients =
+# Pass the client information along to the content filter
smtp_send_xforward_command = yes
+# Avoid splitting the envelope and scanning messages multiple times
smtp_destination_recipient_limit = 1000
+# Tolerate occasional high latency
smtp_data_done_timeout = 1200s
# Tunnel everything through IPSec
smtp_tls_security_level = none
smtp_bind_address = 172.16.0.1
-# Virtual
+# TLS
smtpd_tls_security_level = may
smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key
smtpd_tls_CApath = /etc/ssl/certs/
smtpd_tls_session_cache_database= btree:$data_directory/smtpd_tls_session_cache
smtpd_tls_received_header = yes
smtpd_tls_ask_ccert = yes
smtpd_tls_fingerprint_digest = sha1
smtpd_tls_eecdh_grade = strong
tls_random_source = dev:/dev/urandom
# http://en.linuxreviews.org/HOWTO_Stop_spam_using_Postfix
# http://www.howtoforge.com/block_spam_at_mta_level_postfix
strict_rfc821_envelopes = yes
smtpd_delay_reject = yes
disable_vrfy_command = yes