Kahnandstark.com
Ctmediate.com

Thx
bill 

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Andy David
Sent: Wednesday, September 29, 2004 7:13 PM
To: Exchange Discussions
Subject: RE: Exch being bounced by say AOL - bad-No PTR?

What are the real domain names?
 

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Mellott,
Bill
Sent: Wednesday, September 29, 2004 5:15 PM
To: Exchange Discussions
Subject: Exch being bounced by say AOL - bad-No PTR?

 Exch2003 Server 2003 (SBS2003)

Setup with say 2 E-mail domains
@myco.com
@yourco.com

Each user it assigned an address for each domain [EMAIL PROTECTED] AND
[EMAIL PROTECTED]

With @myco.com being the default reply 

Now the ISP has been nice enough to point the MX records for these domains
to the server at IP A.B.C.D

Now a rev DNS at say dnstuff.com on @myco.com reveals indeed the PTR is
there for myco.com BUT a rev DNS on yourco.com revels the PTR to the ISP

One User has yourco.com as their reply default so.... [EMAIL PROTECTED]

 now this suser Jabne sends an e-mail to a friend at AOL..now AOL does a rev
lookup for spam right?...
So the e-mail bounces back with the stuff from AOL indictae you may not
relay thru..bad

Am I correct is assuming that the reason it is being bounced back is because
AOL can not rev look up YOURCO.com because the ISP has NOT put in the PTR
for yourco.com? To point back to the server at A.B.C.D

Thanks
bill


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