Re: autoresponding to Yahoo DMARC breakage

[George Michaelson <ggm () algebras org>]

procmail is a rewrite of MMDF mailfilter. badly.


On Thu, Apr 10, 2014 at 8:42 AM, Christopher Morrow <morrowc.lists () gmail com
> wrote:

> On Wed, Apr 9, 2014 at 6:27 PM, John R. Levine <johnl () iecc com> wrote:
> > > > The most "sane" out-of-mind response should only be sent *if* the
> > > > out-of-mind person is named explicitly as a recipient in the RFC822
> > > > To: header.  Anything To: somelist@somehost does not qualify :)
> >
> >
> > This highly effective trick was in the procmail example vacation script
> in
> > 1991, and doubtless goes back much farther than that.  It's a little
> > dismaying to hear that there are still people writing autoresponders who
> > don't know about it.
>
> what is procmail?