Subject: Returned mail: see transcript for details

From: postmaster <[email-masked]>
Date: Tue, 29 Jul 2025 13:32:42 +0200

The original message was received at Tue, 29 Jul 2025 13:32:40 +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 [DU6PEPF0000A7E3.eurprd02.prod.outlook.com 2025-07-29T11:32:41.891Z 08DDCC7C5A59F9DD])

   ----- Transcript of session follows -----
... while talking to gavlegardarna.se.:
>>> DATA
<<< 550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [DU6PEPF0000A7E3.eurprd02.prod.outlook.com 2025-07-29T11:32:41.891Z 08DDCC7C5A59F9DD]
550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [DU6PEPF0000A7E3.eurprd02.prod.outlook.com 2025-07-29T11:32:41.891Z 08DDCC7C5A59F9DD]
<<< 503 5.5.2 Need rcpt command [DU6PEPF0000A7E3.eurprd02.prod.outlook.com 2025-07-29T11:32:41.891Z 08DDCC7C5A59F9DD]