Subject: Returned mail: see transcript for details

From: postmaster <[email-masked]>
Date: Tue, 18 Nov 2025 10:53:49 +0100

The original message was received at Tue, 18 Nov 2025 10:53:15 +0100
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 [AMS0EPF0000019B.eurprd05.prod.outlook.com 2025-11-18T09:53:49.702Z 08DE2415D026A6C9])

   ----- Transcript of session follows -----
... while talking to gavle.se.:
>>> DATA
<<< 550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [AMS0EPF0000019B.eurprd05.prod.outlook.com 2025-11-18T09:53:49.702Z 08DE2415D026A6C9]
550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [AMS0EPF0000019B.eurprd05.prod.outlook.com 2025-11-18T09:53:49.702Z 08DE2415D026A6C9]
<<< 503 5.5.2 Need rcpt command [AMS0EPF0000019B.eurprd05.prod.outlook.com 2025-11-18T09:53:49.703Z 08DE2415D026A6C9]