Hey Guys,

Just wondering if anyone knows where I can find something on policy
regulating reverse DNS lookups for your e-mail server?  I have one guy
that's blocking e-mails from my domain.  Situation I have is the
following:
-  E-mail is being received on one IP address from my ISP, but when mail
leaves my exchange server it shows that it is coming from another IP
address that I own from my ISP.  So when they do a reverse DNS lookup,
the IP addresses don't match up, and hence their rule blocks my mail.

Thanks

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