CleanMail Server 5.7.1.1Email Security Solution (Anti-Spam/Anti-Virus), using SpamAssassin and ClamWin
SPAMfighter Standard 7.6.131SPAMfighter PRO is a tool for Outlook and Outlook Express that automatically filters spam and phishing attempts
SPAMfighter Mail Gateway 4.0.1.5Protect your organization from time consuming spam / phishing
SPAMfighter Exchange Module 5.2.3.7Protect your Microsoft Exchange Server users from time consuming spam
reCAPTCHA 1.2 Build 20080401A useful antispam filter for LifeType that implements the Captcha authentication
Mail Snoop Pro 3.00.20Mail Snoop Pro is an anti-spam and email notification application designed to monitor any number of Pop3/SSL Pop3/IMAP/SSL IMAP mailboxes, finding and deleting spam without disturbing you and alerting
yMail Portable 2.0.4.1A standalone email client with spam filter ability
SecurityGateway for Exchange / SMTP 2.0.4Simple, Powerful, and Accurate email spam firewall for Exchange/SMTP Servers
mxORB 2.3mxORB is a server-side spam filter consistently blocks over 98% of spam
No Spam Today! for Servers Freeware 3.2.3.1No Spam Today! is an SMTP proxy server based spam filter that sits between the internet and your mail server.
SpamAware 5.1Spam filter plugin for Outlook and Outlook Express using SpamAssassin as engine.
SpamExperts Home 1.2.1.20Antispam filter intercepting email before it reaches your POP3/IMAP email client