[Exim] Bypass disk queue

Does anyone know of a way to make Exim bypass spooling and deliver to the
receipient MTA (in a gateway MTA situation). Preferrably based on
messages size or MTA load? I've already thought of using a RAM disk
approach, but is there any other way?

Jerry

Jerry Jorgenson
jerry@???
http://www.j3iss.com/