DALLAS–(BUSINESS WIRE)–Zix Corporation (Zix) (NASDAQ: ZIXI), a leading provider of cloud email security, productivity, and compliance solutions, is scheduled to participate at the following virtual financial conferences during September: 10th Annual Gateway Conference Wednesday, September 8, 2021 at 1:00 p.m. ET with one-on-one meetings throughout the day Webcast Colliers 2021 Institutional Investor Conference Thursday, September 9, 2021 One-on-one meetings only Jefferies Virtual Software Con