Subject: Mail Delivery Failure

From: Mail Delivery System <[email-masked]>
Date: Tue, 11 Nov 2025 09:04:24 +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 [DU6PEPF0000A7E1.eurprd02.prod.outlook.com 2025-11-11T09:04:24.310Z 08DE1E98954346B0]

The message subject was: Lär dig hantera dagsljuskraven i Boverkets nya byggregler
The message date was: Tue, 11 Nov 2025 10:03:23 +0100
The message identifier was: 86/93-02955-81CF2196
The message reference was: server-13.tower-855.messagelabs.com!1762851862!52197!1

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