Subject: Delivery Status Notification (Failure)

From: "Mail Delivery System" <[email-masked]>
Date: 18 Sep 2025 12:12:29 +0200

The following message to <[email-masked]> was undeliverable.
The reason for the problem:
5.1.0 - Unknown address error 550-'5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [AMS0EPF0000019C.eurprd05.prod.outlook.com 2025-09-18T10:12:30.317Z 08DDF43773441F2D]'

Subject: [BULK] Installationstekniska åtgärder som sparar energi – gå kursen!