Subject: Returned mail: see transcript for details

From: postmaster <[email-masked]>
Date: Tue, 13 Jan 2026 08:03:58 +0100

The original message was received at Tue, 13 Jan 2026 08:03:57 +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 [AM3PEPF00009B9D.eurprd04.prod.outlook.com 2026-01-13T07:03:58.280Z 08DE4E6FA0E471B4])

   ----- 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 [AM3PEPF00009B9D.eurprd04.prod.outlook.com 2026-01-13T07:03:58.280Z 08DE4E6FA0E471B4]
550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [AM3PEPF00009B9D.eurprd04.prod.outlook.com 2026-01-13T07:03:58.280Z 08DE4E6FA0E471B4]
<<< 503 5.5.2 Need rcpt command [AM3PEPF00009B9D.eurprd04.prod.outlook.com 2026-01-13T07:03:58.280Z 08DE4E6FA0E471B4]