diff --git a/modules/homelab/postfix/default.nix b/modules/homelab/postfix/default.nix
index 767017c..de065bf 100644
--- a/modules/homelab/postfix/default.nix
+++ b/modules/homelab/postfix/default.nix
@@ -60,8 +60,7 @@ in {
     # enable the ${service} service
     services.postfix = {
       enable = true;
-      relayHost = "smtp.gmail.com";
-      relayPort = cfg.port;
+      settings.main.relayHost = ["smtp.gmail.com:${toString cfg.port}"];
       config = {
         #smtp_use_tls = "yes";
         smtp_tls_security_level = "may";