Your message did not reach some or all of the intended recipients.
Subject: Testing Email
Sent: 01/30/2013 11:02 AM
The following recipient(s) could not be reached:
User Name on 01/30/2013 11:04 AM
There was a SMTP communication problem with the recipient's email server. Please contact your system administrator.
<Exchange.domain #5.5.0 smtp;554 Client host rejected: cannot find your hostname, [ip address]>