diff --git a/bundles/roundcube/files/config.inc.php b/bundles/roundcube/files/config.inc.php
index c4bba77..a8c20de 100644
--- a/bundles/roundcube/files/config.inc.php
+++ b/bundles/roundcube/files/config.inc.php
@@ -9,11 +9,11 @@ $config['enable_installer'] = true;
 $config['db_dsnw'] = '${database['provider']}://${database['user']}:${database['password']}@${database['host']}/${database['name']}';
 $config['imap_host'] = 'ssl://${imap_host}';
 $config['imap_port'] = 993;
-$config['smtp_host'] = 'tls://localhost';
+#$config['imap_debug'] = true;
+$config['smtp_host'] = 'tls://${imap_host}';
 $config['smtp_port'] = 587;
 $config['smtp_user'] = '%u';
 $config['smtp_pass'] = '%p';
-#$config['imap_debug'] = true;
 #$config['smtp_debug'] = true;
 $config['support_url'] = '';
 $config['des_key'] = '${des_key}';