diff --git a/systems/vesuvio/mail/roundcube.nix b/systems/vesuvio/mail/roundcube.nix
index 3397708..f6f657b 100644
--- a/systems/vesuvio/mail/roundcube.nix
+++ b/systems/vesuvio/mail/roundcube.nix
@@ -32,6 +32,7 @@ in
 
       extraConfig = ''
         $config['imap_host'] = 'ssl://mx1.uku3lig.net:993';
+        $config['smtp_host'] = 'ssl://mx1.uku3lig.net:465';
       '';
     };
   };