Subject: Mail Delivery Failure

From: Mail Delivery System <[email-masked]>
Date: Mon, 15 Sep 2025 06:11:20 +0000

This is the mail delivery agent at Symantec Email Security.cloud.

I was unable to deliver your message to the following addresses:

[email-masked]

Reason: 550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [AM4PEPF00027A62.eurprd04.prod.outlook.com 2025-09-15T06:11:20.122Z 08DDF33F9AA7036D]

The message subject was: Ta en titt på höstens kursutbud om byggnaders klimatpåverkan
The message date was: Mon, 15 Sep 2025 08:11:18 +0200
The message identifier was: DC/A0-29928-80EA7C86
The message reference was: server-21.tower-872.messagelabs.com!1757916678!285005!1

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