CAPTCHA, questions and answers and other methods of protection, complicating the exchange of information on the site. CleanTalk allows you to automate protection against distributed from spam and registration spam bots. CleanTalk provides reliable protection from attacks and spam bots and promotes strengthening information security throughout the world.

CleanTalk seeks to provide reliable protection, thus contributing to strengthening information security in the world. Every day CleanTalk processes about 2.5 million requests and detects spam with 99.9982% accuracy.

Nowadays CleanTalk is generally recognized by users who say CleanTalk is one of the best anti-spam services.

Spam FireWall CleanTalk has got an advanced option "Spam FireWall", this option allows blocking the most active spam bots before they get access to web site. It prevents loading of pages of the web site by spam bots, so your web server doesn't need to perform all scripts on these pages. Also, it prevents the scanning of pages of the web site spam bots. Therefore Spam FireWall significantly can reduce the load on your web server. SpamFireWall can mitigate HTTP/HTTPS DDoS attacks. SpamFireWall can mitigate XML-RPS brute force attacks.

Real-Time Email Address Existence Validation Filtering disposable & temporary emails Blocking Visitors by Country Blocking by Stop-Words Blocking by Language Personal Black and White Lists

Additional features Online, daily and weekly anti-spam reports traffic VS spam. Apps for iPhone, Android to control anti-spam service, comments, signups, contacts. With traffic and spam statistics for the last 7/45 days. Anti-spam apps for most popular CMS on cleantalk.org.