I have recently inherited a network and I'm having trouble getting OWA to work externally. Exchange server 2k3.
When I go to http://internalservername/exchange
the logon dialogue pops right up.
When I try it from the outside, unable to connect.
We have a barracuda box to filter spam, so all port 25 traffic goes there I have mail.mydomain.com pointing there also.
I've tried port forwarding all 80 traffic to the exchange server, but it doesn't work so I must be doing something wrong. I think it is a DNS problem, but I don't know how to sort that out yet.