I have a windows 2003-2008 mixed domain with exchange 2007 enterprise edition installed on a windows 2008 member server. all our domain computer have outlook 2003 or outlook 2007 installed and configured with both external pop & smtp server ip addresses to send and receive emails from the internet.
Lets say that my registered external domain account name is @mydomain.com and also my internal domain name is mydomain.com so they both are the same.
What i want is to enable domain users to send emails internally , that is for example if a domain users sends an email with huge attachment to another domain user from the same office or LAN it gets delivered using the internal connection to the exhcnage 2007 server and not through the internet , also they should still be able to send and receive emails to the internet .
How is it possible to do that without having to create a seperate profile for each account , thanks in advanced.