phPOP3clean released (v0.9.0)

phPOP3clean is a PHP-based spam & virus/worm filtering for POP3 email accounts. It is designed to run as a cron job and catch spam based on links to blacklisted IPs, obfuscated words or blacklisted phrases in the message body, attached-image spam, email worms, and corrupted or malformed emails.
http://sourceforge.net/projects/phpop3clean/