On Mon, 11 Nov 1996 david@mono.org wrote:

> 	Apologies if I've missed something - if anyone knows a better way
> 	_please_ fill me in!

I've been using the Delivered-To header for some time now.

	^Delivered-To:.*@NetBSD.ORG

will catch all list traffic quite handily.  I'll probably be told that I'm
evil for depending on this, though. :-)

--scott