Delivery Status Notification (Failure)

Message not delivered Your message couldn't be delivered to leonieng@segi.edu.my because the remote server is misconfigured. See technical details below for more information.

The response from the remote server was: 550 5.4.1 [leonieng@segi.edu.my]: Recipient address rejected: Access denied [HK2APC01FT037.eop-APC01.prod.protection.outlook.com]