ZixIt to License Industry-Leading Virus-Scanning Software from McAfee.com; ZixMail to Become the Exclusive Secure Email Product on McAfee.com Web Site

DALLAS--(BUSINESS WIRE)--June 7, 2000--ZixIt Corporation (Nasdaq:ZIXI) announced today that it has entered into a licensing agreement with McAfee.com Corporation, a leading global Internet Application Service Provider of online PC security and management services.

The agreement allows ZixIt to license McAfee.com's "Scan Now" virus-scanning software for use in ZixMail™, ZixIt's secure messaging application. McAfee.com's technology will also be used by SecureDelivery.com™, ZixIt's new secure messaging portal. SecureDelivery.com will go live in July 2000.

As part of the agreement, ZixMail will become the exclusive provider of secure email on the McAfee.com Web site. The agreement takes effect on July 1, 2000.

Headquartered in Santa Clara, Calif., McAfee.com Corporation is a leading global Application Service Provider redefining how software is developed, delivered, and experienced by PC users at home and at work. The company delivers software benefits through an Internet browser, eliminating the need to install, configure, and manage the technology on a local PC or network. McAfee.com hosts software application services on its vast technology infrastructure and provides these services to users online through its Web site www.mcafee.com. McAfee.com regularly has more than 350,000 unique visitors each day. For more information, contact McAfee.com at 408/992-8100 or visit http://www.mcafee.com.

ZixIt Corporation provides products and services that enhance security, privacy, and convenience on the Internet. ZixIt's flagship product, ZixMail™, is a secure document delivery, private email, and message tracking service that enables users worldwide to easily send and receive encrypted and digitally signed communications using their existing email systems and addresses. ZixIt is also developing ZixCharge™ -- a shopping portal and Internet payment authorization system. For further information, visit www.zixit.com or contact investor relations at 972/702-7057.

CONTACT: ZixIt Corporation, Dallas

             Investor Contact:
             Beverly V. Fuortes, 972/702-7057
             Press Contact:
             Cindy Lawrence, 212/419-8343