Ismet posted on January 16, 2010 07:40
Captcha feature has been widely use by many of websites to prevent auto-posting capabilities of various programs. If you won't use the captcha feature of DotNetNuke you will most likely in trouble. Today or soon.
re-Captcha is more advanced captcha module and Facebook, Twitter and many popular social networking portals have been using this feature.
You can also implement re-captcha to your DotNetNuke modules. George, has written a tutorial to implement captcha to DotNetNuke modules without touching to source code of your application.
Learn How to implement re-captcha to your dotnetnuke modules >>