Zix Corporation, a leader in email security, has agreed to acquire AppRiver, a leading provider of cloud-based cybersecurity solutions, for $275m. “Over the past two years, Zix has been successfully executing on its strategy of becoming a leading provider of email security for compliance. We have demonstrated strong and increasing attach rates in our solutions, have driven higher New First Year Orders growth, and have consistently been delivering industry-leading customer support by helping our customers more holistically with the security challenges they are facing, especially as it relates to migrating to the cloud,” David Wagner, Zix Chief Executive Officer.