diff --git a/application/config/email.php b/application/config/email.php
index e234d97f..fda8e1ed 100644
--- a/application/config/email.php
+++ b/application/config/email.php
@@ -4,13 +4,13 @@
 // Example: $config['smtp_host'] = 'smtp.gmail.com';
 // @link https://codeigniter.com/user_guide/libraries/email.html
 
-$config['useragent'] = 'Easy!Appointments';
-$config['protocol'] = 'smtp'; // or 'mail'
-$config['mailtype'] = 'html'; // or 'text'
+$config['useragent'] = '${SMTP_USERAGENT}'; //'Easy!Appointments'
+$config['protocol'] = '${SMTP_PROTOCOL}'; // 'smtp' or 'mail'
+$config['mailtype'] = '${SMTP_MAILTYPE}'; // 'html' or 'text'
 // $config['smtp_debug'] = '0'; // or '1'
-$config['smtp_auth'] = FALSE; //or FALSE for anonymous relay.
+$config['smtp_auth'] = ${SMTP_AUTH}; //or FALSE for anonymous relay.
 $config['smtp_host'] = '${SMTP_HOST}';
-// $config['smtp_user'] = '';
-// $config['smtp_pass'] = '';
-$config['smtp_crypto'] = '${SMTP_CRYPTO}'; // or 'tls'
-$config['smtp_port'] = 25;
+$config['smtp_user'] = '${SMTP_USER}';
+$config['smtp_pass'] = '${SMTP_PASS}';
+$config['smtp_crypto'] = '${SMTP_CRYPTO}'; // 'ssl' or 'tls'
+$config['smtp_port'] = ${SMTP_PORT};