Ever had a bot come by and spam your web admin email account by automating the submission of these forms?
Well, recently this began happening to me, so I began looking for a way to stop it.
I came across this great free tool created by the Carnegie Mellon University to help them digitize old texts and store them in electronic form for future preservation.
You've seen those forms where you type in the word you see in a distorted image, to prove you're a human (computer image recognition software has a hard time scanning and 'reading' the distorted words in these types of images).
Recaptcha does that, using two words. I integrated this into my contact us form on my site. I haven't had a spam email since.
Try it out, and let everyone know how your results fare, or speak up if you have other good suggestions for a solution to this type of problem.
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