Relaying incoming messages on Exchange.

I have two domains. Domain A is on a Dynamic IP. Domain B has fixed IPs. I have a VPN connecting both. Can I set up DNS to point to and IP in Domain B and then somehow relay incoming messages to Domain A via VPN. I know I can relay outgoing messages from Domain A through the VPN and out through Domain B but can I do the opposite. PLEASE HELP! thanks....
lilceezAsked:
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redseatechnologiesCommented:
Are they sharing a namespace at all?

If so, it should be easy, if not, then you will probably have to do some form of that to get it to work.

This guide could be tweaked to do what you want, relatively simply, http://www.amset.info/exchange/twositesonedomain.asp

-red
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