Earlier we discussed about Keypic’s WordPress Plugin that allows you to block spam bots in most of the WordPress forms (without using captchas) like login, register, comment and even other custom forms and plugin like Contact Form 7. Now this article. Now this tutorial is about a plugin that lets you block spam bots from WordPress comments form without using any type of CAPTCHAS, math questions, passwords etc. It kills spam-bots and leaves humans standing. It does spam blocking that stops spam-bots dead in their tracks.