CleanTalk. Spam protection hook without CAPTCHA 1.0.1

The hook use several tests to stop bot registrations at the board. For example,

1. Email, IP checks in blacklists with several thousands records,
2. JavaScript availability,
3. Registration submit time,

Hook not uses CAPTCHA or Q&A, just invisible for users spam protection techniques.

Hook is a client application for service CleanTalk. You should register at the service and get an Access key before use the hook. It is free to use for small and medium sized boards.

Setup manual