SPAM
Dealing with SPAM | Email Riddler obfuscate your email |
 | Akismet A collaborative effort to make comment and trackback spam a non-issue. (wordpress plugin) |
| Auto-close comments Wordpress plugin to close comments on old posts, avoiding spam. |
 | Bad Behavior 2 Wordpress plugin, analyzes HTTP request to kill spam |
| Spam Karma Another WP plugin to eat Spam |
 | Spam Huntress Blog about fighting Spam |
 | SpamAssassin Open-source spam filter (from Apache) |
| CAUCE Coalition Against Unsolicited Commercial Email |
| SPF is broken sender policy framework is harmful |