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ZixDirectory Surpasses 30 Million Members, Extending its Lead as the Industry's Largest Email Encryption Network

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Milestone reflects Zix Corporation's leadership and innovation

DALLAS, Feb 16, 2012 (BUSINESS WIRE) --Zix Corporation (ZixCorp), (NASDAQ: ZIXI), the leader in email encryption services, has announced that ZixDirectory(R), its shared email encryption network, has registered its 30 millionth member. Growing at approximately 100,000 members per week, ZixDirectory added more than 5 million members during the past 12 months.

"The expansion of ZixDirectory is a reflection of the continually increasing value we provide our customers and their recipients, as well as the continued trust they place in our services," said Rick Spurr, ZixCorp's Chairman and Chief Executive Officer. "Thirty million members is a significant milestone that is evidence of the strength and stability of our company."

ZixDirectory is the largest email encryption network in the world and provides the foundation of ZixCorp Email Encryption Services. It automatically manages the coordination and exchange of email encryption keys, reducing the typical cost and complexity associated with email encryption solutions. Based on a shared infrastructure, ZixDirectory also enables transparent communication between ZixGateway(R) users, so that no extra steps are required by recipients to access their encrypted email. Not even a password is needed. No other competitor can provide the transparency offered to ZixGateway users.

In addition to achieving the ZixDirectory milestone of 30 million members, ZixCorp has raised the bar in the email encryption market with three innovative, email encryption technologies during the past 12 months, including:

  • ZixMobilityTM: ZixCorp delivered ZixMobility to offer maximum user convenience for secure email anytime, anywhere on any mobile device.
  • ZixAccessTM: Automatically decrypting inbound email from ZixCorp users, ZixAccess provides transparent communication, eliminating the need for extra steps or passwords to access secure email. ZixAccess also offers improved visibility for outbound sensitive email by reporting all outbound risks to security or compliance officers.
  • ZixGateway 4.3: Unveiled with the latest release, ZixCorp delivers superior TLS support by integrating TLS delivery directly into the policy administration. TLS through ZixGateway offers many advantages, including reduced administration costs, enhanced transparent delivery, guaranteed encrypted replies and unique reporting capabilities that are ideal for compliance and security officers.

"ZixCorp has been securing email for more than a decade. Our experience and our drive to develop easy-to-use security continue to produce innovative technology that benefits our customers," said Spurr. "They look to us to keep them at the forefront of encrypted email, to protect their relationships and to assist them in meeting regulatory compliance. ZixMobility, ZixAccess and superior TLS support with ZixGateway 4.3 are just a few examples of our commitment to convenient, encrypted email."

About Zix Corporation

Zix Corporation provides the only email encryption services designed with your most important relationships in mind. The most influential companies and government organizations use the proven ZixCorp(R) Email Encryption Services, including WellPoint, the SEC and more than 1,200 hospitals and 1,600 financial institutions. ZixCorp Email Encryption Services are powered by ZixDirectory(R), the largest email encryption community in the world. The tens of millions of ZixDirectory members can feel secure knowing their most important relationships are protected. For more information, visit

SOURCE: Zix Corporation

Zix Corporation
Taylor Stansbury Johnson, 214-370-2134