Subject: Returned mail: see transcript for details

From: postmaster <[email-masked]>
Date: Thu, 23 Oct 2025 09:33:34 +0200

The original message was received at Thu, 23 Oct 2025 09:33:01 +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 [AM2PEPF0001C70F.eurprd05.prod.outlook.com 2025-10-23T07:33:34.473Z 08DE0D36D680084D])

   ----- Transcript of session follows -----
... while talking to gavlefastigheter.se.:
>>> DATA
<<< 550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [AM2PEPF0001C70F.eurprd05.prod.outlook.com 2025-10-23T07:33:34.473Z 08DE0D36D680084D]
550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [AM2PEPF0001C70F.eurprd05.prod.outlook.com 2025-10-23T07:33:34.473Z 08DE0D36D680084D]
<<< 503 5.5.2 Need rcpt command [AM2PEPF0001C70F.eurprd05.prod.outlook.com 2025-10-23T07:33:34.473Z 08DE0D36D680084D]