diff --git a/docker-mailserver/docker-compose.yml b/docker-mailserver/docker-compose.yml
index 885263c..0b798d1 100644
--- a/docker-mailserver/docker-compose.yml
+++ b/docker-mailserver/docker-compose.yml
@@ -10,6 +10,7 @@ services:
     ports:
       - "25:25"
       - "143:143"
+      - "465:465"
       - "587:587"
       - "993:993"
     volumes: