{"id":1163,"date":"2003-08-10T19:47:46","date_gmt":"2003-08-10T23:47:46","guid":{"rendered":"http:\/\/blogs.law.harvard.edu\/dbnews\/2003\/08\/10\/spam-filters-that-fight-back\/"},"modified":"2003-08-10T19:47:46","modified_gmt":"2003-08-10T23:47:46","slug":"spam-filters-that-fight-back","status":"publish","type":"post","link":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/2003\/08\/10\/spam-filters-that-fight-back\/","title":{"rendered":"Spam Filters That Fight Back"},"content":{"rendered":"<p><a name='a576'><\/a><\/p>\n<table width=\"537\" border=\"0\">\n<tr>\n<td>&nbsp;<\/td>\n<td>\n<p> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/cyber.law.harvard.edu\/blogs\/static\/dowbrigade\/cateyes.jpg\" width=\"340\" height=\"43\">\n    <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">\n<p>Paul Graham writes extensively on the Spam Wars.&nbsp; His<br \/>\n        article &quot;<a href=\"http:\/\/www.paulgraham.com\/spam.html\">A<br \/>\n      Plan for Spam<\/a>&quot; explains Bayesian filtering, where an &quot;intelligent&quot;<br \/>\n      filtering agent is continually learning according to your actions and corrections<br \/>\n      of its efforts.<\/p>\n<p>&quot;The Achilles heel of the spammers is their message. They can circumvent<br \/>\n        any other barrier you set up. They have so far, at least. But they have<br \/>\n        to deliver their message, whatever it is. If we can write software that<br \/>\n      recognizes their messages, there is no way they can get around that.&quot;<\/p>\n<p>Now Graham has posted <a href=\"http:\/\/www.paulgraham.com\/ffb.html\">another<br \/>\n          excellent article <\/a>on the latest developments<br \/>\n        in the Spam Wars and anti-filtering techniques.<\/p>\n<p>&quot;As I mentioned in <a href=\"http:\/\/www.paulgraham.com\/wfks.html\">Will<br \/>\n          Filters Kill Spam?<\/a> , following all the urls<br \/>\n        in a spam would have an amusing side-effect. If popular email clients<br \/>\n          did this in order to filter spam, the spammer&#8217;s servers would take<br \/>\n          a serious pounding. The more I think about this, the better an idea<br \/>\n      it seems. &quot;<\/p>\n<\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Paul Graham writes extensively on the Spam Wars.&nbsp; His article &quot;A Plan for Spam&quot; explains Bayesian filtering, where an &quot;intelligent&quot; filtering agent is continually learning according to your actions and corrections of its efforts. &quot;The Achilles heel of the &hellip; <a href=\"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/2003\/08\/10\/spam-filters-that-fight-back\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":299,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1443],"tags":[],"class_list":["post-1163","post","type-post","status-publish","format-standard","hentry","category-esl-links"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/wp-json\/wp\/v2\/posts\/1163","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/wp-json\/wp\/v2\/users\/299"}],"replies":[{"embeddable":true,"href":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/wp-json\/wp\/v2\/comments?post=1163"}],"version-history":[{"count":0,"href":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/wp-json\/wp\/v2\/posts\/1163\/revisions"}],"wp:attachment":[{"href":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/wp-json\/wp\/v2\/media?parent=1163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/wp-json\/wp\/v2\/categories?post=1163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/wp-json\/wp\/v2\/tags?post=1163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}