Subject: Mail Delivery Failure

From: Mail Delivery System <[email-masked]>
Date: Tue, 22 Apr 2025 06:16:55 +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 [DB1PEPF00039230.eurprd03.prod.outlook.com 2025-04-22T06:16:55.344Z 08DD7C44214227F7]

The message subject was: Kurs om legionella och energiförluster i VVC- och tappvattensystem
The message date was: Tue, 22 Apr 2025 08:16:48 +0200
The message identifier was: A2/9D-01157-65437086
The message reference was: server-11.tower-837.messagelabs.com!1745302612!2123497!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.