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Zix Corporation and RPost Reach Settlement Agreement

DALLAS & LOS ANGELES--(BUSINESS WIRE)--Apr. 19, 2013-- Zix Corporation (ZixCorp), (NASDAQ: ZIXI), and RPost announce that they settled the lawsuit brought by RPost against ZixCorp for alleged patent infringement.

All settlement terms are confidential.

About Zix Corporation

ZixCorp offers email encryption and email DLP solutions. ZixCorp is publicly traded on the Nasdaq Global Market under the symbol ZIXI, and its headquarters are in Dallas, Texas. For more information, visit

About RPost

RPost offers email encryption, proof of transmission, and electronic signature services. RPost is privately held and has U.S. offices in Los Angeles, California; Boston, Massachusetts; and Plano, Texas. To learn more about RPost visit

Source: Zix Corporation and RPost

Taylor Stansbury Johnson, 214-370-2134
Aaron Williams, 310-342-0088