#5.5.0 smtp;550 & #5.5.0 smtp;554  errors buggin me big time..

Server 2003 DC / Exchange 2003 all updates.  Users use Outlook 2003 for Client E-mail.
I have contacted Earthlink, AOL and Frontiernet and they all say my reverse DNS is not turned on right.

DNSSTUFF.com Reverse DNS test message:
Answer:
ip.ip.ip.ip PTR record: ip-ip-ip-ip.stkn.mdsg-pacwest.com. [TTL 38400s] [A=None] *ERROR* A record does not point back to original IP.

So, Cool there is the problem.. Ummmm Now How do I go about fixing this in Exchange 2003.


Anoying 550+ E-Mail Error Messages:

privateuser@frontiernet.net on 8/12/2004 9:21 AM
            There was a SMTP communication problem with the recipient's email server.  Please contact your system administrator.
            <domain_1.domain.local #5.5.0 smtp;554 Client host rejected: cannot find your hostname, [ip.ip.ip.ip]>
=======================================
support@earthlink.net on 8/13/2004 2:04 PM
            There was a SMTP communication problem with the recipient's email server.  Please contact your system administrator.
            <domain_1.domain.local #5.5.0 smtp;550-EarthLink does not recognize your computer (ip.ip.ip.ip) as connecting from an EarthLink connection.  If this is in error, please contact technical support.>



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