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

[WBrown at e1b.org]

> 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.