This documentation is not using the current rendering mechanism and will be deleted by December 31st, 2020. The extension maintainer should switch to the new system. Details on how to use the rendering mechanism can be found here.
|Description:||Generates an image with an obfuscated text string which a user must repeat in a form field. Captchas are used to prevent bots from using various types of computing services. Applications include preventing bots from taking part in online polls, submitting entries in a guest book etc. This captcha extension for TYPO3 is meant to be used by multiple other extensions.|
|Keywords:||captcha, form, validation, verification, bot, bots, spam, prevent, contact, guest, book, formhandler, powermail, direct_mail|
|License:||This document is published under the Open Content License available from http://www.opencontent.org/opl.shtml|