Subject: Mail delivery failed: returning message to sender

From: Mail Delivery System <[email-masked]>
Date: Thu, 05 Jun 2025 14:01:47 -0700

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  [email-masked]
    host annons-se.mail.protection.outlook.com [52.101.73.28]
    SMTP error from remote mail server after RCPT TO:<[email-masked]>:
    550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [AMS0EPF000001B7.eurprd05.prod.outlook.com 2025-06-05T21:01:47.646Z 08DD9FFC185825BC]