$mailer->host = $server;
- $mailer->auth = true;
- $mailer->username = $settings['username'];;
+ $mailer->auth = isset($settings['auth']) ? $settings['auth'] : true;
+ $mailer->username = $settings['username'];
$mailer->password = $settings['password'];
if (isset($settings['port'])) {
$mailer->port = $settings['port'];