Zix Corporation provides email encryption solutions in software as a service model in the United States. Its encryption service delivers information in a secure manner and enables the use of Internet-based email for sensitive information exchange primarily in the healthcare, financial services, insurance, and government sectors. It offers email encryption service, a secure messaging service that allows an enterprise to use policy-driven rules to determine which emails should be sent securely to comply with regulations or company- defined policies. The company also provides a solution, which analyzes and encrypts email communications. Its services allow users to send encrypted email to any email user at any email address by using the ZixCorp Best Method of Delivery protocol, which automatically determines the direct and appropriate means of delivery, based on the senderís and recipientís communications environment and preferences. The company sells its services through a direct sales force, and a network of resellers and other distribution partners. The company was formerly known as ZixIt Corporation and changed its name to Zix Corporation in 2002. Zix Corporation was founded in 1983 and is headquartered in Dallas, Texas.