Subject: Delivery Status Notification (Failure)

From: "Mail Delivery System" <[email-masked]>
Date: 14 Oct 2025 10:31:57 +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 [AM4PEPF00027A69.eurprd04.prod.outlook.com 2025-10-14T08:31:57.753Z 08DE0829118F3A76]'

Subject: [BULK] Den mest lönsamma energisparåtgärden är ...