Approaches to beating form spam submission



I’ve replaced bare email addresses on web page with either an encoded variation of the email or with a contact form to discourage spam scrapers and other automated tools from using it for a spam magnet. Well, it seems there are some tools that automatically submit forms – after all that’s what’s brought us the annoying captcha’s we see everywhere now. (You now those pictures with squiggly letters and numbers that you sometimes have to redo two or three times if you can’t read it correctly.) Well, Sans is talking about some interesting alternatives to the traditional captcha for protecting a form from automated spam bots.

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