diff --git a/config/runtime.exs b/config/runtime.exs
index d158e62..e2d42dd 100644
--- a/config/runtime.exs
+++ b/config/runtime.exs
@@ -70,10 +70,10 @@ if config_env() == :prod do
     relay: "mail.tietokonepaja.fi",
     username: System.get_env("SMTP_USERNAME"),
     password: System.get_env("SMTP_PASSWORD"),
-    ssl: false,
-    tls: :never,
-    auth: :never,
-    port: 25,
+    ssl: true,
+    tls: :always,
+    auth: :always,
+    port: 587,
     dkim: [
       s: "default",
       d: "livonsaarenosuuspuutarha.fi",