Spam blockers tackle broader content-security issues
FrontBridge Technologies Inc., Proofpoint Inc. and MailFrontier Inc. are augmenting their respective spam-filtering offerings to address enterprises' broader e-mail content security needs.
FrontBridge this week will announce its namesake Secure Email managed service, which adds encryption and authentication to e-mail, using identity-based encryption technology developed by Voltage Security Inc. Users of the service download client software—essentially an add-on to e-mail clients such as Microsoft Corp.'s Outlook and IBM's Lotus Notes—that adds a Send Secure button that they can click to encrypt e-mail. The service authenticates the user and stores for each registered user a private key that allows the user to read encrypted e-mail.
By Dennis Callaghan at eWeek.
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