Subject: Delivery Status Notification (Failure)

From: "Mail Delivery System" <[email-masked]>
Date: 18 Aug 2025 08:23:45 +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 [DB1PEPF000509FA.eurprd03.prod.outlook.com 2025-08-18T06:23:45.491Z 08DDDBF51CC01E00]'

Subject: [BULK] Lär dig klimatberäkning för uppföl=?utf-8?q?jning=2C_certifiering_och_klim