[Mimedefang] Spam with more than one recipient - reject or not?

[Les Mikesell]

On Wed, 2005-09-07 at 11:28, WBrown at e1b.org wrote:
> > That sounds pretty extreme.  You might as well use qmail to send
> > everything...  You want to force everyone else to send single
> > copies of group messages just to save you the trouble of constructing
> > a bounce for the ones you decide not to accept - which if you
> > did graylisting would probably be very few anyway.
> 
> And why would I want to construct bounce messages for spam???  And a lot 
> of spam passes greylisting, which I already do.

These are messages that some recipients do not consider spam or you
could just reject it without all the extra effort.  That means it
is probably something the other recipients also signed up to receive
and now want to pretend they didn't.  Why should the extra effort
to accommodate this choice be forced onto someone else?  If you want
to reject it for them, send the bounce.

This does bring up a performance-related issue though.  Is there some
way for sendmail to learn about repeated delivery failures for bounces
and cut down on the retries so when you do bounce real spam with
bad sender addresses it doesn't clutter up the outgoing queue for
so long?

-- 
  Les Mikesell
    les at futuresource.com