Subject: Mail Delivery Failure

From: Mail Delivery System <[email-masked]>
Date: Thu, 18 Sep 2025 10:11:22 +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 [AM2PEPF0001C70B.eurprd05.prod.outlook.com 2025-09-18T10:11:22.946Z 08DDF42D5A3F9FB9]

The message subject was: Installationstekniska åtgärder som sparar energi – gå kursen!
The message date was: Thu, 18 Sep 2025 12:11:14 +0200
The message identifier was: 2B/10-25152-ACADBC86
The message reference was: server-5.tower-830.messagelabs.com!1758190274!150!1

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