 DALLAS--BUSINESS WIRE--Zix Corporation Zix NASDAQ: ZIXI, a leading provider of cloud email security, productivity and compliance solutions, will be presenting at the 23rd Annual Needham Growth Conference, which is being held virtually on January 11-15, 2021. Zix management is scheduled to present on Friday, January 15 at 10:45 a.m. Eastern time, with one-on-one meetings to be held throughout the day. The presentation will be webcast and available for replay for 90 days. To access the pres 