On Apr 9, 2013, at 11:28 AM, SM <s...@resistor.net> wrote: > Hi Keith, > At 09:56 09-04-2013, Keith Moore wrote: >> You have it backwards. Internet email has long been under DDoS attack from >> email address reputation services. > > Quoting Nathaniel Borenstein [1]: > > "One man's blacklist is another's denial-of-service attack." > > Email reputation services have a bad reputation. In some respect it is > similar to the email delivery problem where the smaller set of good people > are negatively affected because of the larger set of "bad" people. > > Regards, > -sm > > P.S. You are the only participant who has been able to override the existing > consensus during a Last Call. :-) > > 1. http://www.ietf.org/mail-archive/web/ietf/current/msg29826.html
Dear SM, In full agreement with Nathaniel. Avoiding unfair collateral blocking is why source domain authentication, not authorization, is vital. Regards, Douglas Otis
