Dnsbl

Gattaca Server - electronic post office server, work as service under operation system Microsoft Windows NT/2000/XP. It allow make in Your office or home personal full featured electronic mail service.

SpamSquash is a spam filter that uses two methods for filtering, a Bayesian filter and DNS black lists. It's used with a third party pop3 email client, such as MS Outlook and Pegasus Mail. It also includes white and black lists. Gets over 99%.

Server based anti spam, anti-phishing & email management solution for Exchange & SMTP servers. Advanced spam detection technology capturing 98% of spam and phishing emails, whilst minimizing false positives. Also adds disclaimers, mail archiving/repo

Secure mail server with anti-virus & anti-spam, built-in firewall with NAT and real-time web content filter proxy for controlled Internet sharing. Access your e-mail anywhere using the included web mail client. The 5 user version is FREE.

Mail Trustee: a system of E-mail protection programs that will protect your mailboxes from unwanted mail (spam). Our unique technology will filter out a huge part of spam, allowing minimum possible mail server access time.