Re: Anti spam methodologies (is it the new frontier?)

[Eugene Crosser <crosser@online.ru>]

> > If you truly believe it's a spam and you're about to choke them with it,
> > try this instead... just say "OK."  Pretend to accept everything and just
> > drop it.  No mail gets sent and no one gets hurt.  Except maybe the
> > spammer, who, unless they RCPT TO themselves, won't know that the message
> > was not sent.  :-)
> 
> That sounds like it would have to be against some RFC...an email black
> hole.
> 
> What about not accepting mail unless it's for local delivery, for an
> approved non-local site, or from an approved (your local) domain?

In smtpserver, you cannot be 100% confident if the sending host is non-
local (not one of your clients) or recipient address is local.  I think
that this task belongs to the router, and can be done by simply hacking
crossbar.cf

Eugene