Subject: Mail Delivery Failure

From: Mail Delivery System <[email-masked]>
Date: Mon, 15 Sep 2025 06:14:03 +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 [AMS0EPF00000193.eurprd05.prod.outlook.com 2025-09-15T06:14:03.183Z 08DDF1E21C3B0672]

The message subject was: Ta en titt på höstens kursutbud om byggnaders klimatpåverkan
The message date was: Mon, 15 Sep 2025 08:13:22 +0200
The message identifier was: BC/AF-32352-9AEA7C86
The message reference was: server-4.tower-830.messagelabs.com!1757916840!120130!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.