From LifeType Wiki
Download link: http://sourceforge.net/projects/lifetype/files/
Author: Paul Westbrook
Akismet checks your comments and trackbacks against the Akismet web serivce to see if they look like spam or not.
This plugin requires a WordPress.com API key.
When this plugin is installed, and a comment is received, the plugin contacts Akismet with the content of the comment. The response will contain information whethere Akismet thinks this comment is spam.
This uses the PHP 4 class by Bret Kuhns
The plugin configuration page can be found under Control Center->Anti Spam Management.
Enable your Akismet plugin in your LifeType control center, and enter you WordPress.com API key.