If you are sick of deleting spams, use yaCAPTCHA and forget spams. yaCAPTCHA is a CAPTCHA plugin for WordPress that helps you block comment spam from automated bots. In order to post comments, users will have to write down the characters that are part of an image. Since it is relatively hard for automated programs to figure out those characters, this will help prevent comment spam from those programs. Requirements WordPress 1.5 or above. PHP 4.0.6 or above with GD2 library support. Theme must support the ‘comment_form’ action. Strengths vs other solutions Easy to install Does not require Javascript to work Broad WordPress version support How to install? To install the plugin, you must first copy the directory yacaptcha in your WordPress plugin directory which must be /wp-content/plugins/. If you are using WordPress 2.7 or above, you can simply use the plugin installer in your site admin section, search for yaCAPTCHA and click on install or upload the zip file. After the installation, you need to go in your site admin, in the Plugins section and activate the yaCAPTCHA plugin. It should works flawlessly with the default theme. Download yaCAPTCHA; http://wordpress.org/extend/plugins/yacaptcha/ Homepage yaCAPTCHA: http://www.remyroy.com/yacaptcha