diff --git a/manifests/mailu/values.yaml b/manifests/mailu/values.yaml
index af36669..da69a54 100644
--- a/manifests/mailu/values.yaml
+++ b/manifests/mailu/values.yaml
@@ -46,7 +46,7 @@ front:
   externalService:
     enabled: true
     type: NodePort
-    externalTrafficPolicy: Local
+    externalTrafficPolicy: Cluster
     ports:
       smtp: true
       smtps: false