diff --git a/apps/base/stalwart/resources/config.toml b/apps/base/stalwart/resources/config.toml
index def4c93..efff98e 100644
--- a/apps/base/stalwart/resources/config.toml
+++ b/apps/base/stalwart/resources/config.toml
@@ -179,7 +179,7 @@ type = "local"
 
 [queue.route."relay"]
 type = "relay"
-address = "postfix.postfix.svc.cluster.local"
+address = "postfix.mailgateway.svc.cluster.local"
 port = 25
 protocol = "smtp"