Spam Free WordPress is a comment spam blocking plugin by toddlahman that blocks 100% of the automated spam with zero false positives. There is no other plugin, or service, available for WordPress that can claim 100% accuracy with zero false positives.
Spam Free WordPress Features
Automatically blocks 100% of automated comment spam
Local manual spam and ban policy set with local IP address blocklist
Global manual spam and ban policy set with remote IP address blocklist
Significantly reduces database load compared to other spam plugins 5, Zero false positives
Option to strip HTML from comments
Saves time and money by eliminating the need to empty the comment spam folder
Download and info: http://wordpress.org/extend/plugins/spam-free-wordpress/
