Subject: Mail Delivery Failure

From: Mail Delivery System <[email-masked]>
Date: Mon, 06 Oct 2025 06:22:13 +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 [AMS0EPF000001A6.eurprd05.prod.outlook.com 2025-10-06T06:22:13.855Z 08DE038E0A6094CF]

The message subject was: Förstår du dagsljuskraven i Boverkets nya byggregler?
The message date was: Mon, 06 Oct 2025 08:22:08 +0200
The message identifier was: FA/68-10988-51063E86
The message reference was: server-18.tower-830.messagelabs.com!1759731731!86941!1

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