Subject: Undelivered Mail Returned to Sender

From: [email-masked] (Mail Delivery System)
Date: Tue, 26 Aug 2008 19:45:33 -0600 (MDT)

This is an automated message from the BorderWare Security Platform
at host CNLG.GOV.AB.CA.

The message returned below could not be delivered to its 
intended
destinations.

For further assistance, please send mail to <[email-masked]>.

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

Reason:

<[email-masked]>: host 142.229.229.10[142.229.229.10] said: 550 5.1.1 User
    unknown (in reply to RCPT TO command)

<[email-masked]>: host 142.229.229.10[142.229.229.10] said: 550 5.1.1 User
    unknown (in reply to RCPT TO command)

<[email-masked]>: host 142.229.229.10[142.229.229.10] said: 550 5.1.1
    User unknown (in reply to RCPT TO command)