ZIXI - Zix (ZIXI) Q1 2021 Earnings Call Transcript May, 06 2021 03:31 AM Zix Corporation Image source: The Motley Fool. Zix (NASDAQ: ZIXI) Q1 2021 Earnings Call May 05, 2021 , 5:00 p.m. ET Operator Continue reading For further details see: Zix (ZIXI) Q1 2021 Earnings Call Transcript