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ZixIt Announces SecureDelivery Add-In Now Available for Outlook; Outlook Users Can Send Messages Securely Without Creating Encryption Keys

DALLAS--(BUSINESS WIRE)--Sept. 18, 2000--ZixIt Corporation (Nasdaq:ZIXI) announced today the release of add-in software that seamlessly integrates its SecureDelivery(TM) service into Microsoft(R) Outlook(R). The SecureDelivery add-in enables Outlook users to send secure messages to any email address in the world without requiring users to create, install, or manage encryption keys.

David P. Cook, chairman and chief executive officer of ZixIt Corporation, said, "With the new SecureDelivery add-in, Outlook users can immediately send secure messages to any email address in the world and obtain confirmed delivery receipts when the messages are first viewed. This add-in is the second ZixIt application that integrates seamlessly into Microsoft Outlook. Outlook users can now choose between ZixMail, our high-end, point-to-point public key encryption system, and SecureDelivery, our `keyless' secure-messaging service."

The SecureDelivery add-in for Microsoft Outlook can be downloaded for free from www.securedelivery.com. The "SD" button will allow Outlook users to immediately send secure and authenticated messages to any email address in the world. There is no need for the sender or recipient to create or manage encryption keys. The "keyless" nature of SecureDelivery eliminates the inconvenience of creating and storing encryption keys, yet provides excellent security to ensure that messages and attachments are delivered safely. Additionally, there is no need for the recipient to download and install any decryption software.

SecureDelivery messages, including attachments, are safely stored at the SecureDelivery data center and a plain-text email is sent to each recipient, notifying them that a SecureDelivery message awaits pickup over a secure connection (SSL).

Once the recipient clicks the link and provides their chosen authentication passphrase, the SecureDelivery message is displayed over a secure (SSL) connection in the recipient's Web browser. Senders of SecureDelivery messages may receive a delivery receipt, which documents the actual time that a message was picked up.

Although final prices for the SecureDelivery service have not been set, it is intended that individual users will be able to select a free, advertising-based option. Cost for commercial use is anticipated to be between one cent and five cents per SecureDelivery message, with a minimum of $12.00 per year. Charges for messages will be based on volume and message size. ZixIt currently provides the service for free, but intends to begin charging for the SecureDelivery service in January 2001.

ZixIt Corporation provides products and services that enhance security, privacy, and convenience for users of the Internet. Principal services include: SecureDelivery.com(TM) - a universal secure-messaging portal, and ZixMail(TM) - 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. For further information, visit www.zixit.com or contact investor relations at 214/515-7357.

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CONTACT: ZixIt Corporation
Investor Contact:
Beverly V. Fuortes, 214/515-7357
invest@zixit.com
or
Financial Media:
Cindy Lawrence, 212/419-8343
cindy.lawrence@citigatedr-ny.com
or
Product Media:
Fleishman-Hillard
Tony Katsulos, 214/665-1302
katsulot@fleishman.com