Download CleanMail

Editor: CleanMail is a complete Email Security package: it protects you from spam and all kinds of email-borne malware like viruses and phishing mails.

Anti-Spam: CleanMail integrates the award-winning SpamAssassin™ engine to remove spam mails. Its built-in spam trap automatically keeps the SPAM Filter up-to-date by training a Bayes database with incoming spam mails.
Anti-Virus: CleanMail supports all popular virus checkers to protect you against virus attacks. The CleanMail installer can optionally launch installation of the free CLAM Anti-Virus package.
Attachment Filter: The built-in attachment filter of CleanMail allows you to configure the list of attachment types that you want to filter.

CleanMail is a available in two different editions, specifically targeted for business and home user installations:

CleanMail Server is suitable if you are looking for a server-based email security solution to protect an SMTP or POP3 server in your network. Its flexible architecture makes it very easy to integrate CleanMail into an existing e-mail environment. It is ideal for use with MS Exchange, Lotus Notes/DOMINO, IMail or any other Mail Server software.