Delivery Status Notification (Failure) （2024.03.16）
The following message to
The reason for the problem:
5.1.0 - Unknown address error 550-'5.4.1 Recipient address rejected: Access denied. [CH2PEPF00000141.namprd02.prod.outlook.com 2024-03-15T19:24:58.994Z 08DC404080CCB4BA]'
