MailWasher Pro Now Has a New and Improved Trait-based Bayesian Spam Filtering Engine

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Firetrust announces MailWasher Pro 5.0 with powerful new features allowing for intelligent filtering and spam detection using a new trait based Bayesian spam filtering engine.

Firetrust Limited, provider of award-winning anti-spam and email security solutions, today announced the latest release of MailWasher Pro 5.0, a popular anti-spam tool which provides both businesses and individuals protection from unsolicited and unwanted emails. MailWasher Pro 5.0 provides users with the power to overcome the tactics employed by spammers through a new trait based Bayesian spam filtering engine which stops spam from invading their email inboxes.

The engine employs more than 50 programmed traits which detect such behaviors as misspelled words, garbled words and white text on a white background. Trait based filtering ensures greatly improved spam detection. MailWasher Pro 5.0 is fully trained after processing only 100 emails by the user.

"The recent Sober worm variant has been a timely reminder that the war against spam continues and clearly points to a need for users to employ an intelligent solution that filters out dangerous and unwanted email," said Nick Bolton, Firetrust CEO and founder. "MailWasher Pro solves the biggest problems facing email users by preventing unwanted email reaching the user's inbox and eliminating spam. By being easy-to-use and requiring only a small amount of training to configure the program to work best for the user, makes it an ideal solution for not only consumers but for businesses too," he said.

Innocent computer users are unknowingly sending out unwanted email as the Sober worm takes control of their PCs. Most of the messages contain links to news items containing right-wing political stories and many contain links to a website that attempts to infect visiting machines with a virus. This latest piece of malware highlights the links between virus writers and spammers and reinforces the need for everyone to deploy regularly updated antivirus and antispam software as well as a firewall.

MailWasher Pro 5.0 is Firetrust's effective, easy-to-use software that protects users from dangerous e-mail scams and stops all spam. New features include a new trait-based Bayesian spam filtering engine, and full unicode support to display foreign language characters.

  • Trait-based Bayesian Spam Filtering Engine: Trait based filtering ensures highly accurate spam detection by identifying the traits of spam emails aided by training from the user. Traits such as mispelled words, garbled words, white text on a white background are some of the more than 50 traits built into MailWasher Pro's new bayesian filtering. The Bayesian system learns and adapts from what the user considers spam. MailWasher Pro is fully trained after training 100 emails by the user.
  • Unicode Support: Full Unicode support for global languages allows users to check email in any language by displaying foreign language character sets.

"We're very pleased with the new version and we've been overwhelmed with the amount of praise we've received from our users. MailWasher Pro 5.0 has solved their spam problem quickly with its improved spam catching ability, while its false-positive rate is still extremely low," said Nick Bolton.

MailWasher Pro's advanced e-mail security features protect users from phishing scams, identity-theft and other forms of email fraud and provides the easiest-to-use and most effective spam filter available.

Unlike other anti-spam solutions which are integrated into the email client, MailWasher Pro works outside the email client, so users are better protected and eliminate the risk of downloading 100% of unwanted messages or viruses and worms. By reviewing and deleting content at the email server, users are protected from objectionable content including graphics, web bugs are rendered inactive, bandwidth is protected, and viruses and malicious script is stopped from spreading. Users can preview, delete and blacklist unwanted email.

To receive a fully licensed version of MailWasher Pro 5.0 for review, please contact

System Requirements and Availability

MailWasher Pro is now available as a download from Firetrust's website at MailWasher Pro is priced at U.S. $37.00 for a single-user license, which includes a one-year subscription to First Alert!

** Price discounts are available for volume licensing. A free 30-day trial version can also be downloaded from the site. MailWasher Pro minimum system requirements include Microsoft Windows 98, Me, NT, 2000 and XP operating systems. It is compatible with all pop3 e-mail programs, including, Microsoft OutlookT and Outlook ExpressT, NetscapeT and EudoraT; AOL, IMAP, MSN and Hotmail e-mail accounts.

About Firetrust Limited

Established in 2000, Firetrust provides world-class e-mail security products for business and home users. Firetrust delivers solutions across the spectrum of inbox protection, including MailWasherR Pro for unsolicited commercial e-mail (spam) and BenignR to neutralize harmful e-mail which can contain viruses, worms, scripts and web bugs. The company is privately held and headquartered in Christchurch, New Zealand. To date MailWasher has had more than four million downloads. For more information, please visit

MailWasherR and BenignR are registered trademarks of Firetrust Limited.

**All existing MailWasher Pro users are invited to subscribe to First Alert! at a reduced rate of U.S. $7.00 for a one-year subscription. After the first year the price increases to U.S. $9.95 annually.

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Matthew Miller