diff --git a/module.nix b/module.nix
index 1c7b34a..9fef505 100644
--- a/module.nix
+++ b/module.nix
@@ -86,9 +86,9 @@ in
         authenticate = true;
       };
       extraConfig = {
-        "SMTP_ENABLE_STARTTLS" = "never";
-        # "SMTP_ENABLE_STARTTLS_AUTO" = "false";
-        # "SMTP_ENABLE_STARTTLS" = "always";
+        # "SMTP_ENABLE_STARTTLS" = "never";
+        "SMTP_ENABLE_STARTTLS_AUTO" = "true";
+        "SMTP_ENABLE_STARTTLS" = "always";
         "SMTP_TLS" = "true";
         "SMTP_SSL" = "true";
       };