On 16 Nov 2005 at 20:45, Simon Butler wrote: > http://www.MSExchange.org/ > > Simple. > Put a second internal IP address on to the Exchange server, then > configure each of the SMTP VS to use one or other of the IP addresses. > Then on your NAT device, send port 25 to one IP and the other port to > the other IP. Got it I think, what's confusing me is the second ip address internally. Are you suggesting I hookup the second nic in the server, give it a different ip address and then nat that, or are you saying to alias another address to the same nic that currently accepts on port 25? -- Harondel J. Sibble Sibble Computer Consulting Creating solutions for the small business and home computer user. help@xxxxxxxxx (use pgp keyid 0x3AD5C11D) http://www.pdscc.com (604) 739-3709 (voice/fax) (604) 686-2253 (pager)