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dnsbl_check: dnsbl_check is a Rails plugin that checks every incoming request to see if the client is listed on a DNS Blackhole List. This helps prevent abuse from spammers/crackers.
Rating: 4/5 (8 votes)
Added on 18 Jun 2006
BrainBuster: A logic captcha for Rails. Use simple logic questions instead of images for a friendlier, accessible anti spam solution.
Rating: 4/5 (6 votes)
Added on 10 Oct 2006
Form Spam Protection :): Tired of form spam but don't like the idea of Captcha or an ineffective RBL? This plugin transparently protects your forms and all the user needs is Javascript enabled
Rating: 5/5 (14 votes)
Added on 25 Oct 2006
Simple Captcha: A full fledged captcha implementation with radom images. SimpleCaptcha is the simplest and a robust captcha plugin for RubyOnRails applications. Its implementation requires adding up a single line in views and in controllers/models. SimpleCaptcha is available to be used with Rails2.0 or above and also it provides the backward compatibility with previous versions of Rails. Read here(http://expressica.com/simple_captcha) for more details on implementation, usage and examples.
Rating: 4/5 (58 votes)
Added on 7 Feb 2007
ReCAPTCHA: This plugin adds helpers for the ReCAPTCHA API.
Rating: 5/5 (35 votes)
Added on 26 May 2007
CipherMail: CipherMail is a safe way to have mailto: style functionality without divulging email addresses to e-mail harvesting spam-bots.
Rating: 5/5 (16 votes)
Added on 23 Jul 2007

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