diff --git a/application/config/email.php b/application/config/email.php
index 166668d3..df79ff1d 100644
--- a/application/config/email.php
+++ b/application/config/email.php
@@ -7,6 +7,11 @@
 $config['useragent'] = 'Easy!Appointments';
 $config['protocol'] = 'mail'; // or 'smtp'
 $config['mailtype'] = 'html'; // or 'text'
+
+// $config['smtp_debug'] = '0'; // or '1'
+// $config['smtp_auth'] = 'TRUE'; //or 'FALSE' for anonymous relay
+
+// $config['smtp_host'] = '';
 // $config['smtp_host'] = '';
 // $config['smtp_user'] = '';
 // $config['smtp_pass'] = '';