Subject: Delivery Status Notification (Failure)

From: "Mail Delivery System" <[email-masked]>
Date: 25 Aug 2025 08:17:12 +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 [DB1PEPF000509F8.eurprd02.prod.outlook.com 2025-08-25T06:17:12.735Z 08DDE25384BF0C71]'

Subject: [BULK] Introduktionskurs om byggnaders klimatpåverkan =?utf-8?q?och_u