Subject: Returned mail: see transcript for details

From: postmaster <[email-masked]>
Date: Thu, 23 Oct 2025 09:32:21 +0200

The original message was received at Thu, 23 Oct 2025 09:31:47 +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 [AM3PEPF0000A799.eurprd04.prod.outlook.com 2025-10-23T07:32:21.006Z 08DE11FFE4B44962])

   ----- 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 [AM3PEPF0000A799.eurprd04.prod.outlook.com 2025-10-23T07:32:21.006Z 08DE11FFE4B44962]
550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [AM3PEPF0000A799.eurprd04.prod.outlook.com 2025-10-23T07:32:21.006Z 08DE11FFE4B44962]
<<< 503 5.5.2 Need rcpt command [AM3PEPF0000A799.eurprd04.prod.outlook.com 2025-10-23T07:32:21.007Z 08DE11FFE4B44962]