Subject: Mail Delivery Failure

From: Mail Delivery System <[email-masked]>
Date: Mon, 25 Aug 2025 06:14:52 +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 [AM1PEPF000252DB.eurprd07.prod.outlook.com 2025-08-25T06:14:52.386Z 08DDE28348D2D581]

The message subject was: Introduktionskurs om byggnaders klimatpåverkan och uppföljande fördjupningskurser
The message date was: Mon, 25 Aug 2025 08:14:50 +0200
The message identifier was: BB/F7-30155-C5FFBA86
The message reference was: server-22.tower-837.messagelabs.com!1756102490!142976!1

Please do not reply to this email as it is sent from an unattended mailbox.
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