Subject: Mail delivery failed: returning message to sender

From: Mail Delivery System <[email-masked]>
Date: Thu, 16 Oct 2025 03:08:25 -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 brunnbergoforshed-se.mail.protection.outlook.com [52.101.73.24]
    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 [AM2PEPF0001C712.eurprd05.prod.outlook.com 2025-10-16T10:08:25.204Z 08DE091DB91E17A3]