diff --git a/roles/docker/tasks/services/mailu.yml b/roles/docker/tasks/services/mailu.yml
index 0e2b4ab..a92b517 100644
--- a/roles/docker/tasks/services/mailu.yml
+++ b/roles/docker/tasks/services/mailu.yml
@@ -78,6 +78,7 @@
             - "993:993"
             - "25:25"
             - "587:587"
+            - "465:465"
           networks:
             - default
             - external_services