1 files changed, 99 insertions, 0 deletions
diff --git a/roles/webmail/templates/etc/postfix/main.cf.j2 b/roles/webmail/templates/etc/postfix/main.cf.j2
new file mode 100644
index 0000000..fd4ea8e
--- /dev/null
+++ b/roles/webmail/templates/etc/postfix/main.cf.j2
@@ -0,0 +1,99 @@
+########################################################################
+# Webmail configuration
+#
+# {{ ansible_managed }}
+# Do NOT edit this file directly!
+
+smtpd_banner     = $myhostname ESMTP $mail_name (Debian/GNU)
+biff             = no
+readme_directory = no
+mail_owner       = postfix
+
+delay_warning_time     = 4h
+maximal_queue_lifetime = 5d
+
+myorigin            = /etc/mailname
+myhostname          = webmail{{ webmailno | default('') }}.$mydomain
+mydomain            = {{ ansible_domain }}
+append_dot_mydomain = no
+
+# Turn off all TCP/IP listener ports except that necessary for the webmail.
+master_service_disable = !2580.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 | default('') }}
+multi_instance_name   = postfix-{{ postfix_instance[inst].name }}
+multi_instance_enable = yes
+
+# This server is a nullclient 
+mynetworks_style = host
+inet_interfaces  = loopback-only
+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 %}
+relayhost     = [127.0.0.1]:{{ MTA_out.port }}
+{% else %}
+relayhost     = [{{ MTA_out.IPv4 }}]:{{ MTA_out.port }}
+{% endif %}
+relay_domains =
+
+# 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
+
+# Pass the mail to the antivirus
+#content_filter = amavisfeed:unix:public/amavisfeed-antivirus
+
+# Tunnel everything through IPSec
+smtp_tls_security_level  = none
+smtp_bind_address        = 172.16.0.1
+smtpd_tls_security_level = none
+
+
+strict_rfc821_envelopes = yes
+smtpd_delay_reject      = yes
+disable_vrfy_command    = yes
+
+# UCE control
+unknown_client_reject_code = 554
+
+smtpd_client_restrictions =
+    permit_mynetworks
+    reject
+
+smtpd_helo_required     = yes
+smtpd_helo_restrictions =
+    permit_mynetworks
+    reject_non_fqdn_helo_hostname
+    reject_invalid_helo_hostname
+
+smtpd_sender_restrictions =
+    reject_non_fqdn_sender
+    reject_unknown_sender_domain
+
+smtpd_recipient_restrictions =
+    # RFC requirements
+    reject_non_fqdn_recipient
+    reject_unknown_recipient_domain
+    permit_mynetworks
+    reject
+
+smtpd_data_restrictions =
+    reject_unauth_pipelining