Subject: Delivery Status Notification (Failure)

From: "Mail Delivery System" <[email-masked]>
Date: 06 Oct 2025 08:01:50 +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 [AMS0EPF00000190.eurprd05.prod.outlook.com 2025-10-06T06:01:50.405Z 08DE034E77F9B2F6]'

Subject: =?utf-8?q?=5BBULK=5D_L=C3=A4r_dig_e