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Message-ID: <200502120337.j1C3bfsX007852@turing-police.cc.vt.edu> From: Valdis.Kletnieks at vt.edu (Valdis.Kletnieks@...edu) Subject: Re: [Mailman-Developers] mailman email harvester On Sat, 12 Feb 2005 02:48:56 +0100, Bernhard Kuemel said: > If hashcash (http://www.hashcash.org/) gets integrated in our mail > systems we no longer need to hide or obfuscate our email addresses. And I overlooked the most fatal flaw in hashcash: Hashcash really sucks if you're a mail server admin who has to crank 50,000 hash cashes a day at 5 CPU seconds a pop because people forgot to whitelist your server. Hashcash isn't even a tiny speed bump if you're a spammer and have 50,000 zombies - each one only takes a 5 second hiccup and continues spamming.... -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 226 bytes Desc: not available Url : http://lists.grok.org.uk/pipermail/full-disclosure/attachments/20050211/525d0310/attachment.bin
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