Subject: Mail Delivery Failure

From: Mail Delivery System <[email-masked]>
Date: Mon, 15 Sep 2025 06:11:03 +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 [AMS0EPF000001B2.eurprd05.prod.outlook.com 2025-09-15T06:11:03.392Z 08DDF1F36BA8CCAF]

The message subject was: Ta en titt på höstens kursutbud om byggnaders klimatpåverkan
The message date was: Mon, 15 Sep 2025 08:11:01 +0200
The message identifier was: 42/0F-30093-7FDA7C86
The message reference was: server-11.tower-872.messagelabs.com!1757916661!282535!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.