Zix Corporation provides solutions for email encryption, data loss prevention, threat protection, unified archiving, and cloud data backup in the United States, Israel, Canada, the United Kingdom, and Switzerland.

The company offers Advanced Email Threat Protection, a cloud-based service that defends organizations from zero-day malware, ransomware, phishing, CEO fraud, W-2 phishing attacks, spams, and viruses in email; and Information Archive, a cloud-based email retention solution that enables user retrieval, compliance, and e-discovery.

It also provides Email Encryption Service that allows a user to send encrypted email to any email user anywhere and on any Internet-enabled device; cloud-based cybersecurity solutions for small and medium businesses; information rights management, e-signatures, and secure file sharing solutions; and software-as-a-service cloud backup and recovery solutions.

The company serves the healthcare, financial services, and insurance industries, as well as government sectors.

Zix Corporation sells its services through a direct sales force and tele sales force; and a network of resellers and other distribution partners, including other managed service providers.

The company was formerly known as ZixIt Corporation and changed its name to Zix Corporation in 2002.

Zix Corporation was incorporated in 1988 and is headquartered in Dallas, Texas.

As of December 23, 2021, Zix Corporation operates as a subsidiary of Open Text Corporation.