hi, I am new to exchange2k7. i have to set up the server using relay. i have installed exchange 2007. can anybody guide me what to do next? our lab comes in an organisation. the organisation has a single public IP ie thomas.com. our lab has a domain say abs.thomas.com and i need to set exchange server for testing on xxx.abs.thomas.com and later switch to abs.thomas.com, if it is working fine. the relay is: relay.thomas.com. how do i go about it? Regards, David

This is what you're looking for http://msexchangeteam.com/archive/2006/12/28/432013.aspx