initial commit

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

roles/mail/tasks/aliases.yml

@@ -0,0 +1,19 @@
+# read-only docker exec always reports changed; changed_when: false suppresses spurious output
+- name: List existing mail aliases
+  command: docker exec mailserver setup alias list
+  register: mail_alias_list
+  changed_when: false
+  tags:
+    - users
+
+- name: Create mail aliases if missing
+  command: >
+    docker exec mailserver
+    setup alias add {{ item.from }}
+    {{ item.to if item.to is string else item.to | join(',') }}
+  loop: "{{ mail_aliases }}"
+  when: item.from not in mail_alias_list.stdout
+  tags:
+    - users
+
+