Beginner's Guide

Figure 3: Offline mode options
User registrations with Captcha
A Captcha plugin using the reCAPTCHA service
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can be enabled (Figure 4). Once you sign up for
free with reCAPTCHA and enter your keys, you can enable Captcha on new user registrations. It could
also be used by other extensions needing Captcha.
Figure 4: Captcha
Joomla! 2.5 - Beginner’s Guide
Monday, 30 January 2012! Page 62
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http://www.google.com/recaptcha