Katharion Intros Spam-Virus Filtering Solution

Katharion is offering an outsourced filtering system that screens e-mail for spam and viruses. Using the service can reduce spam by more than 98 percent, the company said. The service employs several layers of filtering, including whitelists, blacklists, a heuristic rule set, an artificial-intelligence Bayesian engine and a database of known spam signatures.

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