Subject: Returned mail: see transcript for details

From: postmaster <[email-masked]>
Date: Tue, 13 Jan 2026 08:03:15 +0100

The original message was received at Tue, 13 Jan 2026 08:02:38 +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 [AM3PEPF0000A799.eurprd04.prod.outlook.com 2026-01-13T07:03:14.964Z 08DE4E326F3BFE56])

   ----- 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 2026-01-13T07:03:14.964Z 08DE4E326F3BFE56]
550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [AM3PEPF0000A799.eurprd04.prod.outlook.com 2026-01-13T07:03:14.964Z 08DE4E326F3BFE56]
<<< 503 5.5.2 Need rcpt command [AM3PEPF0000A799.eurprd04.prod.outlook.com 2026-01-13T07:03:14.964Z 08DE4E326F3BFE56]