>>(3) A shifting of focus on whitelists is important... but some of those >>shouldn't really be "whitelists" in the traditional sense. Instead, they >>should merely indicate that an IP is a candidate for sending mail. > > This one I agree with. The Spamhaus whitelist is intended only for > very virtuous sources of mail, but it will clearly also be useful to > have what was called a yellow list a few days ago, hosts that send > enough real mail that you can't just blacklist them even if you see > some spam.
FWIW, that's similar to what dnswl.org is doing with the "none", "low", "med" and "hi" scores. -- Matthias PS: Rob, I still have your mail to us at dnswl.org in our request queue, it has not been forgotten ;)