Subject: Undelivered Mail Returned to Sender

From: [email-masked] (Mail Delivery System)
Date: Mon, 22 Sep 2025 13:37:21 +0000 (UTC)

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

                   The mail system

<[email-masked]>: host matas-dk.mail.protection.outlook.com[52.101.73.16] said:
    550 5.4.1 Recipient address rejected: Access denied. For more information
    see https://aka.ms/EXOSmtpErrors [AMS0EPF0000019A.eurprd05.prod.outlook.com
    2025-09-22T13:37:21.910Z 08DDF471C326BEFF] (in reply to RCPT TO command)