Le dimanche 26 septembre 2010 23:46, mouss a écrit : > Le 26/09/2010 23:28, fakessh a écrit : > > Le dimanche 26 septembre 2010 22:38, mouss a écrit : > >> Le 26/09/2010 12:08, Stan Hoeppner a écrit : > >>> Michal Bruncko put forth on 9/26/2010 4:24 AM: > >>>> It is possible in some way to configure postfix, that SPF Passed mails > >>>> will be automatically accepted with postfix without greylisting? > >>> > >>> If I may be blunt: this is a really dumb idea. Many, maybe all, > >>> snowshoe spammers have valid SPF records. Thus, accepting mail simply > >>> because the connecting IP passes SPF muster isn't a bright idea. > >> > >> some even use an indirect +all to trick filters... > >> > >> $ host -t txt takeprettypictures.net > >> takeprettypictures.net descriptive text "v=spf1 ip4:128.0.0.0/1 > >> ip4:0.0.0.0/1 -all" > >> > >> (so the first bit must be 0 or 1. since a bit is either 0 or 1...). > > > > do you like sendmail machine > > that adresse is unauthorized for me > > There's no "address". the SPF record above specifies subnets with a /1 > mask, the union of which is the whole IPv4 space.
the evil for the spammeur the -all much have ?all -- gpg --keyserver pgp.mit.edu --recv-key 092164A7
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