Subject: Mail Delivery Failure

From: Mail Delivery System <[email-masked]>
Date: Thu, 04 Sep 2025 06:13:58 +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 [AMS0EPF000001AB.eurprd05.prod.outlook.com 2025-09-04T06:13:58.257Z 08DDE759A4DE858F]

The message subject was: Kurs om klimatberäkning för uppföljning av byggprojekt, för klimatdeklaration eller för certifiering
The message date was: Thu, 04 Sep 2025 08:13:55 +0200
The message identifier was: A7/B2-29923-62E29B86
The message reference was: server-8.tower-855.messagelabs.com!1756966436!87!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.