Subject: Returned mail: see transcript for details

From: postmaster <[email-masked]>
Date: Thu, 4 Sep 2025 09:17:53 +0300

The original message was received at Thu, 4 Sep 2025 09:17:52 +0300
from:
<[email-masked]>

   ----- The following addresses had permanent fatal errors -----
<[email-masked]>
    (reason: 550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [AMS0EPF000001A5.eurprd05.prod.outlook.com 2025-09-04T06:17:53.276Z 08DDEAD741E4BFD3])

   ----- Transcript of session follows -----
... while talking to strangbetong.se.:
>>> DATA
<<< 550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [AMS0EPF000001A5.eurprd05.prod.outlook.com 2025-09-04T06:17:53.276Z 08DDEAD741E4BFD3]
550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [AMS0EPF000001A5.eurprd05.prod.outlook.com 2025-09-04T06:17:53.276Z 08DDEAD741E4BFD3]
<<< 503 5.5.2 Need rcpt command [AMS0EPF000001A5.eurprd05.prod.outlook.com 2025-09-04T06:17:53.276Z 08DDEAD741E4BFD3]