diff --git a/src/includes/functions.inc.php b/src/includes/functions.inc.php
index 829de923..9492a3db 100644
--- a/src/includes/functions.inc.php
+++ b/src/includes/functions.inc.php
@@ -400,6 +400,7 @@ function psm_build_mail($from_name = null, $from_email = null) {
 
 		if($smtp_user != '' && $smtp_pass != '') {
 			$phpmailer->SMTPAuth = true;
+                        $phpmailer->SMTPSecure = "tls";
 			$phpmailer->Username = $smtp_user;
 			$phpmailer->Password = $smtp_pass;
 		}