Zix Email Security Provider Buying AppRiver Cybersecurity Firm for $275 Million

Zix agreed to pay $275 million cash for the AppRiver cybersecurity firm, the email security provider announced Tuesday. The deal is expected to more than double Zix revenue and adjusted cash flow. True Wind Capital will invest $100 million once the takeover is complete, with some of the tech private equity firm's staff joining the Zix board (see the personals section of this publication). The deal is expected to close in Q1, a Zix spokesperson emailed us.