procmail is a rewrite of MMDF mailfilter. badly.
On Thu, Apr 10, 2014 at 8:42 AM, Christopher Morrow <morrowc.li...@gmail.com > wrote: > On Wed, Apr 9, 2014 at 6:27 PM, John R. Levine <jo...@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? > >