WP Anti Spam

It works by filtering "comment", "author", "email", "url" and "ip" fields.

The admin has just to add some words to a ban list, and the system will prevent users who break the rules from posting again.

Installation:

Unpack and upload it to the /wp-content/plugins/ directory.
Activate the plugin through the 'Plugins' menu in WordPress.

What is new in this release:

• Changed the method of checking Gravatar.
• Some optimization.

What is new in version 1.2.3:

• When No Gravatar,you can choose 'no treatment' or 'mark it as spam' or 'block it'.
• Can limit the comment words.

What is new in version 1.2.2:

• Disallow the comments that contain links.

What is new in version 1.2.1:

• Add Romanian language packs(ro_RO).

What is new in version 1.2.0:

• Easier to use.

What is new in version 1.1.9:

• Some optimize.
• Corrected some mistakes.

What is new in version 1.1.8:

• Anti automated spambots.
• Some optimize.
• Add PayPal button.

Requirements:

• WordPress 2.7 or higher