Adding a reCAPTCHA anti-spam check
Some users don't like the ChronoForms built-in Captcha for one reason or another, so there is a ChronoForms plugin to use the third-party Captcha system from reCAPTCHA (see http://recaptcha.net/).
Getting ready
We'll use our familiar newsletter form but please disable the ChronoForms Captcha in the Anti Spam tab of the Form Editor first.
How to do it...
1. In the Forms Manager click the check-box by the form name and click the reCAPTCHA verification link in the Plugins column at the left.
You'll see the following Configuration tab. Leave all the settings as they are; just click the Save icon in the toolbar to save the default configuration.
2. In the Form Editor, click the Plugins tab, and enable the reCAPTCHA verification plugin. Click the Anti Spam tab to make sure that Use Image verification is set to No.
3. Click the Form Code tab, open the Form HTML box, and find the
{imageverification}
placeholder if it is there, and remove the whole block. Then add an...