Four Blog Spam Killing WordPress Plugins

[mandy]

1. Akismet
2. Math Comment Spam Protection Plugin
3. Simple Trackback Validation Plugin
4. Enhanced WordPress contactform

full article: http://www.helpero.com/news/Computers/So...r_298.html

[BellisimaJ.]

Another good WordPress plugin:

AntiLeech helps prevent content theft by sploggers.

AntiLeech does not prevent the splogger bots from accessing your site. It produces a fake set of content especially for them that includes links back to your site (and mine, too, ok?) and sends it only to them. When they steal this content, it appears online just like normal, except now you've turned the tables on them and have provided them with useless conte

http://redalt.com/Resources/Plugins/AntiLeech

[mandy]

A related article:

Managing comment spam with Akismet + Simple Spam Filter

Ask any WordPress user that receives any traffic about combating comment spam, and the common response will be to install a comment spam plugin. My recommendation? Auttomatic’s Akismet + Tan Tan’s Simple Spam Filter; here’s why:

    How does [Akismet] work? - When a new comment, trackback, or pingback comes to your blog it is submitted to the Akismet web service which runs hundreds of tests on the comment and returns a thumbs up or thumbs down.

Akismet cross-references suspicious comments submitted on your site against a database of recognized and known spam logged by Akismet through other bloggers, forums, wikis, and contact forms...

full article: http://5thirtyone.com/archives/816