"RISTO, JONATHAN" wrote:
>
> We are attempting to allow the Exchange server to communicate through a
> firewall type setup to a second exchange server. This is an internal
> firewall, and we need to allow the two servers to pass mail to the
> different groups.
>
> What I am interested in finding out is the ports which will need to be
> opened on the firewall.
This _is not_ as easy as it sounds. Exchange relies on DCOM so ports are
assigned on the fly. You need to make a few registry hacks to get
Exchange to behave and use a small range of ports.
Hit the MS support site and do a search on "DCOM AND Firewall". One of
your hits will be a procedure for getting this to work.
HTH,
Chris
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