Stop spam without frustrating your visitors

Create your CleanTalk account and start blocking spam — no CAPTCHA challenges and no impact on visitors.

Security Block Lists

CleanTalk Account

No credit card required • Setup takes less than a minute • Your temporary password will be sent by email.

  • Free access is going to be discontinued

    After offering the Level 0 tier for Block Lists with free access, we decided to close this tier effective July 26, 2026. What is the reason? We failed to maintain or improve the economics of this product under the freemium model. So, we are returning to the premium model, where Level 1 is the first…

    Free access is going to be discontinued
  • Email Subscribers Spam Protection for WordPress

    TL;DR: To stop spam in Email Subscribers, combine [its built-in protection] with a cloud anti-spam filter. CleanTalk Anti-Spam checks every Email Subscribers submission in the background and blocks spam bots invisibly – no CAPTCHA, no puzzles, no checkboxes – while protecting registrations, comments and WooCommerce on the same site. reCAPTCHA, hCaptcha and Turnstile add a…

    Email Subscribers Spam Protection for WordPress
  • A New Way to Choose Safe WordPress Plugins

    We have an important update to share. The newly released version 2.184 of our Security Plugin for WordPress includes a major new feature the Security Certified tab. This tab shows plugin releases certified by CleanTalk’s security team. We have reviewed these releases for vulnerabilities such as XSS, SQL injection, and backdoors. The full list of…

    A New Way to Choose Safe WordPress Plugins
  • CleanTalk Anti-Spam Is Now Available for WHMCS

    Good news for hosting companies and everyone who runs a business on WHMCS: there is now a CleanTalk Anti-Spam addon for WHMCS – WS CleanTalk Anti-Spam. WHMCS is a popular target for spam bots. They register fake client accounts, place junk orders, and send spam through contact and ticket forms. Every fake account has to…

    CleanTalk Anti-Spam Is Now Available for WHMCS