I am not sure exactly what you are looking to accomplish, but if we are
talking UNIX I have used PROCMAIL, a general purpose mail filter, to
select based on what is in a header. This is a code it yourself solution
but if you can do regular expressions it is very flexible.

Greg Decker                     Listmaster at NIH/DCRT/NSB

On Thu, 7 Aug 1997, Listserv Manager wrote:

> On Wed, 6 Aug 1997 22:15:10 -0600 Gilles Frydman said:
> >At 06:31 PM 8/6/97 -0400, you wrote:
> >>With EXITS, all things are possible; but basically native mode does NOT
> >>filter on arbitrary Subject:s.
> >
> >Is there any place where we can see examples of EXIT coding for this kind
> >of application?
>
> You took the question right out of my mouth.   As for me, I'm using a
> server on a Solaris system (using sendmail as the MTA).  I assume that
> this matters.
>