diff --git a/test/docker_mail/tasks/main.yaml b/test/docker_mail/tasks/main.yaml
index c251b64957090526356e33216ff350618f3db0e8..7b961fc29f465ba3bf665457ecaef2e40262e4d1 100644
--- a/test/docker_mail/tasks/main.yaml
+++ b/test/docker_mail/tasks/main.yaml
@@ -60,6 +60,7 @@
     - mailu.env
     - mailman.env
     - mailman-nginx.conf
+    - mailu/overrides/postfix.cf
     # - mailcow-dockerized/mailcow.conf
     # - mailcow-dockerized/docker-compose.override.yml
     # - mailcow-dockerized/data/conf/postfix/extra.cf