diff --git a/.drone.jsonnet b/.drone.jsonnet
index 6d4b528..8c79bbb 100644
--- a/.drone.jsonnet
+++ b/.drone.jsonnet
@@ -18,7 +18,8 @@ local email_notification() =
    settings:
     { host: 
         { from_secret: 'EMAIL_HOST'},
-      from: 'drone@guise.net.nz'
+      from: 'drone@guise.net.nz',
+      port: 25
     }
   };