Zix Corporation announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was USD 60.015 million compared to USD 52.434 million a year ago. Operating loss was USD 480,000 compared to operating Income of USD 940,000 a year ago. Net loss was USD 2.460 million compared to USD 853,000 a year ago. Basic loss per share from continuing operations was USD 0.09 compared to USD 0.06 a year ago.