posted 10/23/2008 by Chris
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Silvan Mühlemann wrote the article Nine ways to obfuscate e-mail addresses compared, where he uses 9 different e-mail addresses over a 1.5 year period.  On this page he published the e-mail addresses using 9 different techniques.  It turns out using ROT13 encoding (see our Mailto CakePHP helper) was one of the 3 techniques that "...are absolutely rock-solid and keep your addresses safe from the harvesters."