Subject: Mail Delivery Failure

From: Mail Delivery System <[email-masked]>
Date: Mon, 15 Sep 2025 06:12:55 +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 [AM4PEPF00027A68.eurprd04.prod.outlook.com 2025-09-15T06:12:55.549Z 08DDF28F5537B8EA]

The message subject was: Ta en titt på höstens kursutbud om byggnaders klimatpåverkan
The message date was: Mon, 15 Sep 2025 08:12:35 +0200
The message identifier was: 3B/80-30093-76EA7C86
The message reference was: server-11.tower-878.messagelabs.com!1757916768!3088!1

Please do not reply to this email as it is sent from an unattended mailbox.
Contact your email administrator if you need more information, or
instructions for resolving this issue.