problems setting up exim; is there a "quick" how-to?

I've searched the boards, and exim.org, and found tons of stuff that
go into HUGE detail on how to do this that or the other...

what I haven't found, is a quick-reference, or get-started how-to.

running debian etch, in console mode (no X); exim 4.6+

I want to front-end my exchange server. I want exim to take all
inbound Email, and send only email w/ valid recipients on to the
exchange server, and ignore all else. The exchange server can send all
outbound mail...

This really shouldn't be that hard to do... but I for the life of me
can't find any quick way to do it!!!

Can someone point me in the right direction? I'm very experienced w/
unix, just not exim, or MTA's.

TIA - Bob