SRS configuration and tasks.

defaults/main.yml

@@ -23,13 +23,13 @@ postfix_smtp_sasl_tls_security_options: '{{ postfix_smtp_sasl_security_options }
 postfix_smtp_sasl_mechanism_filter: plain, login
 
 # Set it in the local rules
-#postfix_relay_host: smtp-relay.example.com
+# postfix_relay_host: smtp-relay.example.com
 postfix_relay_port: 587
 postfix_default_destination_concurrency_limit: 20
-#postfix_smtp_relay_user: smtp-user
+# postfix_smtp_relay_user: smtp-user
 postfix_smtp_relay_user: '{{ ansible_fqdn }}'
 # This one has to be set inside a vault file
-#postfix_smtp_relay_pwd: set_you_password_here_in_a_vault_encrypted_file
+# postfix_smtp_relay_pwd: set_you_password_here_in_a_vault_encrypted_file
 
 # The following options are used only whe postfix_relay_server is set to True
 postfix_relay_server: False
@@ -47,3 +47,18 @@ nagios_postfix_mailq_w: 20
 nagios_postfix_mailq_c: 50
 nagios_postfix_processed_w: 50
 nagios_postfix_processed_c: 150
+# SRS
+# Compute it with 'dd if=/dev/urandom bs=18 count=1 2>/dev/null | base64'
+# postfix_srs_secret: 'use a vault'
+postfix_srs_secrets:
+  - '{{ postfix_srs_secret }}'
+postfix_srs_list_exclude_domains: false
+postfix_srs_exclude_domains: []
+postfix_srs_user: 'nobody'
+postfix_srs_sender_enabled: false
+postfix_srs_receiver_enabled: false
+postfix_srs_listen: '127.0.0.1'
+postfix_srs_sender_port: 10001
+postfix_srs_receiver_port: 10002
+postfix_sender_canonical_maps: 'tcp:{{ postfix_srs_listen }}:{{ postfix_srs_sender_port }}'
+postfix_recipient_canonical_maps: 'tcp:{{ postfix_srs_listen }}:{{ postfix_srs_receiver_port }}'

tasks/main.yml

@@ -1,9 +1,10 @@
 ---
 - import_tasks: smtp-common-packages.yml
+- import_tasks: postsrsd.yml
+  when: postfix_srs_sender_enabled or postfix_srs_receiver_enabled
 - import_tasks: smtp-sasl-auth.yml
   when: postfix_relay_client
 - import_tasks: postfix-relay-server.yml
   when: postfix_relay_server
 - import_tasks: postfix-letsencrypt-hook.yml
   when: postfix_use_letsencrypt
-

templates/main.cf.j2

@@ -1,7 +1,7 @@
 smtpd_banner = $myhostname ESMTP $mail_name
 biff = {{ postfix_biff }}
 
-# appending .domain is the MUA's job.
+# appending .domain is the MUA s job.
 append_dot_mydomain = {{ postfix_append_dot_mydomain }}
 
 # Uncomment the next line to generate "delayed mail" warnings
@@ -41,11 +41,7 @@ smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
 myhostname = {{ ansible_fqdn }}
 alias_maps = hash:/etc/aliases
 alias_database = hash:/etc/aliases
-{% if domain_name is defined %}
+myorigin = {% if domain_name is defined %}{{ domain_name }}{% else %}{{ ansible_fqdn }}{% endif %}
-myorigin = {{ domain_name }}
-{% else %}
-myorigin = {{ ansible_fqdn }}
-{% endif %}
 mydestination = {{ ansible_fqdn }}, localhost
 {% if postfix_use_relay_host %}
 relayhost = {{ postfix_relay_host }}:{{ postfix_relay_port }}
@@ -58,6 +54,16 @@ inet_protocols = ipv4
 mailbox_size_limit = 0
 message_size_limit = {{ postfix_message_size_limit }}
 recipient_delimiter = +
+{% if postfix_srs_sender_enabled %}
+# SRS sender
+sender_canonical_maps = {{ postfix_sender_canonical_maps }}
+sender_canonical_classes = envelope_sender
+{% endif %}
+{% if postfix_srs_receiver_enabled %}
+# SRS recipient
+recipient_canonical_maps = {{ postfix_recipient_canonical_maps }}
+recipient_canonical_classes= envelope_recipient,header_recipient
+{% endif %}
 default_destination_concurrency_limit = {{ postfix_default_destination_concurrency_limit }}
 {% if postfix_use_sasl_auth %}
 smtp_sasl_auth_enable= {{ postfix_smtp_sasl_auth_enable }}

vars/main.yml

@@ -11,3 +11,9 @@ postfix_relay_deb_pkgs:
 
 postfix_sasl_packages:
   - sasl2-bin
+
+# Conf files and data files
+postfix_srs_secret_file: '/etc/postsrsd.secret'
+postfix_srs_conf_file: '/etc/default/postsrsd'
+postfix_srs_pkg: postsrsd
+postfix_srs_el_repo: copr-postsrsd.repo