Mail System Error - Returned Mail

This Message was undeliverable due to the following reason:

Your message was not delivered because the destination computer was
not found. Carefully check that it was spelled correctly and try
sending it again if there were any mistakes.

It is also possible that a network problem caused this situation,
so if you are sure the address is correct you might want to try to
send it again. If the problem continues, contact your friendly
system administrator.

     Host roadrunner.gateway2000.com not found

The following recipients did not receive this message:

     <listserv@roadrunner.gateway2000.com>

Please reply to Postmaster@newman.gateway2000.com
if you feel this message to be in error.