Subject: Returned mail: see transcript for details

From: postmaster <[email-masked]>
Date: Thu, 23 Oct 2025 09:31:45 +0200

The original message was received at Thu, 23 Oct 2025 09:31:41 +0200
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 [DB5PEPF00014B94.eurprd02.prod.outlook.com 2025-10-23T07:31:45.486Z 08DE0D4083DBAF2B])

   ----- Transcript of session follows -----
... while talking to skurup.se.:
>>> DATA
<<< 550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [DB5PEPF00014B94.eurprd02.prod.outlook.com 2025-10-23T07:31:45.486Z 08DE0D4083DBAF2B]
550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [DB5PEPF00014B94.eurprd02.prod.outlook.com 2025-10-23T07:31:45.486Z 08DE0D4083DBAF2B]
<<< 503 5.5.2 Need rcpt command [DB5PEPF00014B94.eurprd02.prod.outlook.com 2025-10-23T07:31:45.487Z 08DE0D4083DBAF2B]