Subject: Returned mail: see transcript for details

From: postmaster <[email-masked]>
Date: Tue, 20 Jan 2026 12:13:16 +0100

The original message was received at Tue, 20 Jan 2026 12:13:15 +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 [DB5PEPF00014B9B.eurprd02.prod.outlook.com 2026-01-20T11:13:15.970Z 08DE5460FA4ED5D6])

   ----- 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 [DB5PEPF00014B9B.eurprd02.prod.outlook.com 2026-01-20T11:13:15.970Z 08DE5460FA4ED5D6]
550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [DB5PEPF00014B9B.eurprd02.prod.outlook.com 2026-01-20T11:13:15.970Z 08DE5460FA4ED5D6]
<<< 503 5.5.2 Need rcpt command [DB5PEPF00014B9B.eurprd02.prod.outlook.com 2026-01-20T11:13:15.970Z 08DE5460FA4ED5D6]