[Exim] Keeping a copy of all mail

I need to save a copy of all the mail that passes through an exim server
- preferably with the saved mail's filename being the message ID. I've
been scratching my head for a while but I can't seem to come up with a
solution.

Anyone any suggestions?

Thanks.


--
TTFN, FNORD

Peter McGarvey
Freelance FreeBSD Hacker
(will work for bandwidth)