Add support for sSMTP revaliases configuration (#956)

CHANGELOG.md

@@ -1,4 +1,5 @@
 ### HEAD
+* Add support for sSMTP revaliases configuration ([#956](https://github.com/roots/trellis/pull/956))
 * Add support for includes.d on all sites ([#966](https://github.com/roots/trellis/pull/966))
 * Fix `--subdomains` flag in the Install WP task ([#968](https://github.com/roots/trellis/pull/968))
 * Ensure Diffie-Hellman group is generated for Let's Encrypt ([#964](https://github.com/roots/trellis/pull/964))

roles/ssmtp/defaults/main.yml

@@ -3,3 +3,13 @@ ssmtp_auth_method: LOGIN
 ssmtp_from_override: 'Yes'
 ssmtp_start_tls: 'Yes'
 ssmtp_tls: 'Yes'
+# ssmtp_revaliases:
+#   - user: root
+#     from: from@example.com
+#     smtp_server: "{{ mail_smtp_server }}"
+#   - user: "{{ admin_user }}"
+#     from: from@example.com
+#     smtp_server: "{{ mail_smtp_server }}"
+#   - user: "{{ web_user }}"
+#     from: from@example.com
+#     smtp_server: "{{ mail_smtp_server }}"

roles/ssmtp/tasks/main.yml

@@ -9,3 +9,8 @@
   template:
     src: ssmtp.conf.j2
     dest: /etc/ssmtp/ssmtp.conf
+
+- name: ssmtp revaliases configuration
+  template:
+    src: revaliases.j2
+    dest: /etc/ssmtp/revaliases

roles/ssmtp/templates/revaliases.j2

@@ -0,0 +1,9 @@
+# {{ ansible_managed }}
+
+{% if ssmtp_revaliases is defined and ssmtp_revaliases is not none %}
+{% for item in ssmtp_revaliases %}
+{% if item.user is defined and item.user is not none and item.from is defined and item.from is not none and item.smtp_server is defined and item.smtp_server is not none %}
+{{ item.user }}:{{ item.from }}:{{ item.smtp_server }}
+{% endif %}
+{% endfor %}
+{% endif %}