diff --git a/src/Services/Mail/Smtp_bulk.php b/src/Services/Mail/Smtp_bulk.php
index 84111171..e93a633c 100755
--- a/src/Services/Mail/Smtp_bulk.php
+++ b/src/Services/Mail/Smtp_bulk.php
@@ -26,9 +26,9 @@ final class Smtp_bulk extends Base
 //        $configs['smtp_password'] = "xedbzjgcdpjlvinh";
 //        $configs['smtp_sender'] = "fu.gemcode.jp@gmail.com";
         
-        $configs['smtp_username'] = "fu@gemsub.online";
+        $configs['smtp_username'] = "a@gemsub.online";
         $configs['smtp_password'] = "GUtaonihouzi123#";
-        $configs['smtp_sender'] = "bulk@gemsub.online";
+        $configs['smtp_sender'] = "a@gemsub.online";
         
         $mail = new PHPMailer();
         $mail->isSMTP();