Mark Andrew wrote: [...]
> > That said though the PTR->forward->PTR check is a proper check and a > > really great way to figure out if the source SMTP host was actually set > > up with at least some admin doing it the right way. If they can't be > > bothered to set that up, why should you bother to accept that mail, or a > > better choice, just score it a bit negatively at least. > > Which only works as a filter because ISP's decided to prevent home > users from putting valid PTR records in the DNS for their own > machines. It has nothing to do with clue or knowlege. Some do but some don't. I seem to remember a very nice little web interface for setting reverse DNS when I used xs4all's service in the Netherlands. Regards, Leo