The options available to mitigate the problems of e-mail spam in the enterprise are varied. Just as varied is the variety of definitions of spam today. These factors often lead to some confusion about what a particular anti-spam (or anti-fraud or anti-virus) solution may or may not do. This paper demystifies the anti-spam market and [...]
This white paper describes the Roaring Penguin Training Network (RPTN), a mechanism for sharing Bayes votes among multiple CanIt installations. A recent paper at the 2004 USENIX Large Installation System Administration conference by Jeremy Blosser and David Josephsen presented evidence that Bayesian filtering could be quite effective using a shared Bayes database, even among hundreds [...]
When scanning mail messages for spam and virus content two different basic methods are used – scan during receipt and accept and scan later. This document will describe the main differences between these two methods of scanning and outline the pro’s and con’s of each method.
An ISP presents one of the most complex environments for managing spam because of the high volume of e-mail, wide variety of users and high level of service demanded by customers. This white paper reviews the most common approaches to spam management in an ISP environment and details how a suitable solution must address particular [...]
