In Forrester’s 47 criteria evaluation of email content security vendors, it identified the nine most significant vendors in the category and researched, analyzed, and scored them: Barracuda Networks, Cisco, McAfee, Proofpoint, Sophos, Symantec, Trend Micro, Trustwave, and Websense. This report details Forrester’s findings about how well each vendor fulfills the criteria and where they stand in relation to each other to help security and risk professionals select the right partner for their email content security solution.