Must have Spam Filters for Windows

Extensible Messaging Platform (EMP) is a spam-filtering firewall server application. It protects Exchange Server, Domino, GroupWise, or any SMTP mail server from Internet spam, e-mail-borne viruses (including dangerous autolaunch viruses), phishing...

Ensnare - The Spam Fighter monitors your POP3 accounts and checks e-mail for spam. Ensnare identifies spam with a combination of whitelists, blacklists and an adaptive statistical filter. It then places the spam in isolation for your later perusal and/or...

Mail Server - SMTP/POP3/IMAP, AntiSpam (PopFile Bayes XMLRPC server, learning through IMAP/HTTP; SPF, SenderID, RBL, YahooDomainKeys), AntiVirus (integration with 5 server antivirus API, including ClamAV), content filter, aliases, routing, mail lists,...

eWall is a Microsoft Windows based gateway between the Internet and your mail server. It monitors the SMTP traffic in real-time, catching the majority of spam and viruses. The chain of flexible filters stops more than 95% of unwanted e-mails out of the...

Protect Your Identity and Get No Junk Mail. The software positively identifies the authorized e-mail sender(s). That is why it can prevents phishing. It gets messages only from those whom you authorize. A positive and secure encrypted messages and...

Spam Blocker. Anti-Spam Filter. Fix My Inbox Spam Blocker has been designed to make the task of managing junk email as easy as possible. It is the easiest and most accurate Spam Blocker program available. Fraudulent, inappropriate and offensive emails are...

GateWall Mail Security for Exchange Server/SMTP/Lotus is a solution for the protection of corporate email from viruses, phishing, spam and other malicious messages, that allows preventing confidential information leaks. The product has options of messages...

GFI MailEssentials is an award-winning email antivirus and anti-spam software solution for Exchange Server and other mail servers, which protects your network against email-borne viruses and other malware threats and delivers a spam capture rate of over...

Herbivore is a anti spam filter that utilizes the email messege content to identify and screen spam mail based on the amount of times the message has been sent to the network of Herbivore users. Herbivore eliminates email popups, provides a 'friends...

Hermes is a generic, transparent, multi-platform anti-spam SMTP proxy that uses a combination of techniques (like greylisting, throttling, RBL, etc.) to stop spam from reaching your mailbox. It's compatible with most SMTP extensions like STARTTLS (for SSL...