A recent paper presented evidence that Bayesian filtering could be effective using a shared Bayes database, even among hundreds or thousands of different users. This lead to the Roaring Penguin Training Network (RPTN), a mechanism for sharing Bayes votes among different CanIt customers. This white paper describes the Roaring Penguin Training Network (RPTN).
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The first e-mail programs were created in the late 60s/early 70s—simpler times, when everyone on the network was trustworthy. Even knowing what we know today about spammers, we still tend to take e-mail for granted, and trust it far more than it deserves. Learn about the components of the e-mail system, understand how e-mail moves on the Internet, and find out how to interpret e-mail message headers.
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The options available for mitigating e-mail spam in the enterprise are varied—as varied as the variety of actual spam definitions. These factors often lead to some confusion about what a particular anti-spam solution can or can’t do. In order to focus on the basics, you need to cut through the hype in the anti-spam market and its buzzwords.
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An Internet service provider (ISP) presents one of the most complex environments for managing spam, due to the sheer volume of e-mail, and the high service levels demanded by customers. The main challenge for ISPs seeking anti-spam solutions is thus to find products that provide the flexibility to suit a wide variety of users, and the preferences of those users.
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