ISA and SMTP

Hi,

I am publishing my exchange server through ISA. This has worked fine for
SMTP mail.

The problem I am having, is that I have another internal SMTP server. This
server delivers mail properly to all external adresses but not the ones on
my exchange server. When I telnet to any external SMTP server from this
server it works fine, but when I telnet to my exchange server using the IP
of the external NIC on my ISA server it does not work.

Does anyone have a work around?

Cheers,
J.


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