Subject: Delivery Status Notification (Failure)

From: "Mail Delivery System" <[email-masked]>
Date: 24 Jul 2025 21:54:32 +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 [AMS0EPF000001B4.eurprd05.prod.outlook.com 2025-07-24T19:54:32.278Z 08DDC6AC9FCEFF61]'