Best way to whitelist mailing lists

>
> On the subject of whitelisting, it occurs to me that whitelisting local
> messages while integrated with Procmail might be easier done if there was
a
> way to combine whitelists into one directive.  As an example I might want
to
> say:

What the hell did I mean by that?  I'm not sure where Procmail fits in with
what I was saying.  I guess I didn't get enough sleep.

Roy