Subject: Mail Delivery Failure

From: Mail Delivery System <[email-masked]>
Date: Thu, 04 Sep 2025 06:14:07 +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 [AM1PEPF000252E1.eurprd07.prod.outlook.com 2025-09-04T06:14:07.821Z 08DDE7E4DCC97681]

The message subject was: Kurs om klimatberäkning för uppföljning av byggprojekt, för klimatdeklaration eller för certifiering
The message date was: Thu, 04 Sep 2025 08:14:05 +0200
The message identifier was: 26/68-25152-F2E29B86
The message reference was: server-11.tower-830.messagelabs.com!1756966446!12934!1

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