Subject: Delivery Status Notification (Failure)

From: "Mail Delivery System" <[email-masked]>
Date: 12 May 2025 08:14:22 +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 [DB1PEPF00039230.eurprd03.prod.outlook.com 2025-05-12T06:14:23.606Z 08DD8FC12200C7B4]'

Subject: [BULK] Kurs om klimatpåverkan vid renoveringsprojekt