diff --git a/src/Services/Mail/Smtp_bulk.php b/src/Services/Mail/Smtp_bulk.php
index 024b33b7..185c4caa 100755
--- a/src/Services/Mail/Smtp_bulk.php
+++ b/src/Services/Mail/Smtp_bulk.php
@@ -18,9 +18,9 @@ final class Smtp_bulk extends Base
     public function __construct()
     {
         $configs = Config::getClass('email');
-        $configs['smtp_username'] = "gemcode.bulk@gmail.com";
-        $configs['smtp_password'] = "bfawienpxczjsytb";
-        $configs['smtp_sender'] = "gemcode.bulk@gmail.com";
+        $configs['smtp_username'] = "gemcode.jp.bulk@gmail.com";
+        $configs['smtp_password'] = "oqekrehvdecnhwze";
+        $configs['smtp_sender'] = "gemcode.jp.bulk@gmail.com";
 
         $mail = new PHPMailer();
         $mail->isSMTP();