Undelivered Mail Returned to Sender
| From: |
MAILER-DAEMON@mx2.trentu.ca |
| Domain: |
IP info mx2.trentu.ca |
| MX-server: |
IP info mx2.trentu.ca |
| Sender IP: |
IP info 192.75.12.143 |
| Size: |
777 Bytes |
| Create: |
2026-08-28 |
| Sent: |
2026-08-28 12:54 |
| Update: |
2026-08-28 |
| Score: |
0 |
| Safe: |
Yes |
Attachments (2):- attachment_1 (message/delivery-status, 603 B)
- attachment_2 (text/rfc822-headers, 1146 B)
Downloading attachments is disabled.
This is the mail system at host mx2.trentu.ca.
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
(expanded from ): host
alumni-trentu-ca.mail.protection.outlook.com[52.101.190.0] said: 550 5.4.1
Recipient address rejected: Access denied. For more information see
https://aka.ms/EXOSmtpErrors [TO1PEPF00005345.CANPRD01.PROD.OUTLOOK.COM
2026-08-28T12:54:40.540Z 08DF0445201199C3] (in reply to RCPT TO command)