On Wed, Jul 03, 2002 at 03:11:29PM -0700, sudog@sudog.com wrote:
> > Better on comp.mail.sendmail, but several bad ideas here
> >
> > FORGED:
> >    perfectly legal, also common on fine mail.  My machine
> >    introduces itself as the inside interface.  (EHLO
> >    inside.domain.com) Not illegal but will show up as forged.
 
 
> > TEMP: can't resolve for now but you send a 550.  Use a 4xx error back.
> 
> This should probably be a 4xx.

I hate this. The only mail I ever get where the reverse DNS lookup
fails are from spammers sending email from cable modems. I hate having
to edit the sendmail.cf file by hand, but I hate more watching a spam
hit my server dozens of times over several days before it times out.
-- 
"A method for inducing cats to exercise consists of directing a beam of
invisible light produced by a hand-held laser apparatus onto the floor ...
in the vicinity of the cat, then moving the laser ... in an irregular way
fascinating to cats,..." -- US patent 5443036, "Method of exercising a cat"