Le 19/09/2011 03:40, Benny Pedersen a écrit : > > was reading something about client smtp auth :=) > > http://www-uxsup.csx.cam.ac.uk/~fanf2/hermes/doc/antiforgery/csa.html > > hope it will be supported in postfix > > Thanks Tony for make the guide
if you like 3/4 letters combination (csa), you migh like: SPF: http://www.openspf.org/ DMP: http://www.pan-am.ca/dmp/ RMX: http://www.danisch.de/work/security/antispam.html DRIP: http://www.sherzer.net/draft-brand-drip-02.txt CSV: http://mipassoc.org/csv/ DKIM: http://spamlinks.net/prevent-research.htm#verify-tech-dkim BATV: http://mipassoc.org/batv/ SRA: http://www.tuffmail.com/backscatter.php DMTP: http://www.ee.hawaii.edu/%7Edong/papers/DiffMail_UH.htm if you have time, you'll see more on http://spamlinks.net $ one thing is: all that stuff is known since some time. and spam is still around...
