I put this in "EXCAHGNE - GENERAL", but probably more appropriate here:
Question:
I made a group called TESTGROUP and mail enabled it. Then, I made a contact
called TESTCONTACT, and gave it an email addy outside my domain called

I have an Exchange 2000 box that is not sending email to particular email
addresses.  These addresses can access our Exchange server and be forwarded
to an individual's Outlook, but they can't be replied to.  I have no changes
to my systems or Symantec Anti/ Virus.  Can I track ...

I have an enviornment with (2) Exchange 2000 servers seperated by a VPN.
Suddenly, I'm having a communication problem, in one direction, between
them. The 'master' server can receive mail from the 'member' server, but
the 'master' server cannot send mail to the 'member' server. ...