The following analysis summarizes the spam catch and false positive rates of the leading anti spam vendors. Compiled by Opus One, an independent research firm, this report provides data to objectively compare the market’s most popular anti-spam solution.
Working with Cisco, we identified six enterprise-focused vendors to compare to Cisco’s Email Security Solution (Appliance and Cloud-Based): Barracuda Networks, Intel Security (formerly McAfee), Microsoft Office 365, Proofpoint, Sophos, and Symantec. The only vendor mentioned by name in the rest of this report is Cisco. The remaining vendor names have been anonymized.