SPAMfighter!

Over 8 million people use MailWasher as their spam filter

Spamihilator works between your E-Mail client and the Internet and examines every incoming E-Mail. Useless spam mails (Junk) will be filtered out. This process runs completely in the background.

POPFile classifies email into categories you define. It can sort into spam and not spam or into any number of categories you like (e.g. work, personal, important project, hobby, etc.).

EveryCloud’s cloud based spam filtering service blocks 99.99% of spam, viruses and even newsletters if required. Set spam reports to give users control and view 90 days logs of all inbound and outbound email. Filter for specific content or use compliance rules to manage email flow. Our automatic spooling and delivery ensures you’ll never lose emails whilst you view statistics any time. Add email footers to get your message across with ease. All our products work across platforms and devices and we provide full phone, email, chat & knowledge-base support.Features: Unlimited Email Filtering, Only Pay for Actual Users, Add Multiple Domains Free, Phone, Chat & Email Support, Configurable Spam Reports, Migration Planning & Support, Email Encryption, Account Management Advanced Content Filtering, Email Footers, 90 Day Logs, Email Continuity, Email Archiving, TLS Encription »

Professional e-mail security free for private use: With Spamfence.net eleven offers the professional e-mail security of the spam filter and e-mail categorisation service eXpurgate absolutely free for private use!This free spamfence service nevertheless is identical with the commercial eXpurgate.ASP version and reqires only a minimum of time and effort by the user to be activated. eXpurgate - the professional filter from eleven against undesirable e-mail advertisement, free of charge for private users under http://www.spamfence.net/how-does-it-work.html ! »

Spamato is a spam filter system that combines several anti-spam techniques, from which thousands of users benefit. It is available as an add-on for Thunderbird and Outlook, and as a stand-alone proxy for other email clients. IMAP and POP are supported.

SpamSieve is an extremely accurate and easy to use Bayesian spam filter for Mac e-mail programs. Macworld's "Software of the Year".

SpamPhobia approaches to email antispam by its root cause: "same content sent to multiple recipients". So every time a new customer signs up in addition to fix their particular problem they are decisively contributing against the global anti spam fight.

The SpamBayes project is working on developing a statistical (commonly, although a little inaccurately, referred to as Bayesian) anti-spam filter, initially based on the work of Paul Graham. The major difference between this and other, similar projects is the emphasis on testing newer approaches to scoring messages. While most anti-spam projects are still working with the original graham algorithm, we found that a number of alternate methods yielded a more useful response. This is documented on the background page. »

Spam Reader is a free anti-spam add-on for Microsoft Outlook. The software uses the most reliable approach to block junk emails - Bayesian algorithm based on statistical analysis, capable to be adjusted to user's needs and detect up to 98% of spam messages. Spam Reader automatically scans all incoming mails and sends detected spam messages to the special folder for further review.