Comme tous le monde je pense avoir trouve la solution
ultime contre le spam.

En tout cas l’approche la plus radicale est celle a base de
Challenge/Response apellée aussi TMDA, Tagged Message Delivery Agent
est intéressante et efficace.

Logiciel serveur libres

• http://www.paganini.net/ask/
• http://tmda.net/
• http://sourceforge.net/projects/tmda
• http://www.morison.net/squirrelmail-plugins/tmdatools.html

et autres:

• http://tmda.net/faq.cgi?req=show&file=faq01.009.htp

Logiciels clients:

• http://www.ilesa.com/
• http://www.softwaredevelopment.net.au/pge_steven.htm
• http://www.quarantinemail.com/
• http://www.allspamgone.com/
• http://www.winantispam.ru/modules/news/
• http://www.qurb.com/
• http://www.spampepper.com/
• http://www.evolvian.com/
• http://www.versasoft.com/sa/html/spamaid.html
• http://si20.com/

Services ASP:

• http://www.knowspam.net/
• http://www.mailblocks.com
• http://www.spamarrest.com/
• http://www.0spam.net/
• http://aliencamel.com/

Tres interessant contre:

• http://kmself.home.netcom.com/Rants/challenge-response.html
• http://www.freedom-to-tinker.com/archives/000389.html
• http://lists.debian.org/debian-user/2003/08/msg00338.html

Tres con contre:

• http://jeremy.zawodny.com/blog/archives/001931.html

Les reponses pour:

• http://www.kuro5hin.org/story/2003/8/20/233517/720

Reflexions:

• http://www.templetons.com/brad/spam/challengeresponse.html
• http://www.templetons.com/brad/spam/crgood.html
• http://scottonwriting.net/sowblog/SpamBlocker.html
• http://molelog.molehill.org/blox/Computers/Internet/Mail/Spam/FeltonOnCR.writeback

Un index:

• http://email.about.com/cs/spamgeneral/a/challenge_resp.htm
• http://email.about.com/od/challengeresponsefilters/

Pour le futur:

• http://spf.pobox.com/intro.html
• http://www.hashcash.org/
• http://www.camram.org/