Zix Corp. provides email encryption services. Its email encryption service enables the use of secure email for sensitive information exchange primarily in the healthcare, financial services, insurance and government sectors. The company's business operations and service offerings are supported by the ZixData Center, a network operations center dedicated to secure electronic transaction processing. The firm has changed its name from ZixIt Corporation to Zix Corp. in 2002. It was founded in 1988 and is headquartered in Dallas, TX.