diff --git a/src/Manager.php b/src/Manager.php
index 377e913..dc8250f 100644
--- a/src/Manager.php
+++ b/src/Manager.php
@@ -94,7 +94,8 @@ protected function registerSmtp(): void
         $config = $this->getConfig();
 
         $this->mailer->isSMTP();
-
+        $this->mailer->SMTPAuth = true;
+        
         if (isset($config['host'])) {
             $this->mailer->Host = $config['host'];
         }