Secure Email Service Powered by Hongkong Post Mobile e-Cert and Diversinet Delivers Secure Corporate Email for Users On The Go

New Mobile Email Service Brings Convenience and Security to Wireless Communication for Professionals on the Move

Hong Kong and Toronto, Canada, September 16, 2003 – Diversinet Corp. (OTC BB: DVNTF), a leading provider of secured mobile solutions, together with Hongkong Post and MobileTech Limited, today announced the availability of a new Secure Mobile Email service.

This new email service leverages Hongkong Post’s Mobile e-Cert digital certificates, developed by Diversinet, to ensure the secure exchange of corporate email over wireless networks. Consumer users will also have access to this seamless, fully integrated secured email service to ensure confidence that messages from personal accounts are communicated securely.

The creation of this service is an extension of a strong relationship between Diversinet and Hongkong Post, and provides a new business-focused application for use with Hongkong Post Mobile e-Cert digital certificates. The launch follows the June 2003 announcement in which Hongkong Post and Diversinet agreed to develop a secure mobile email service under a revenue sharing scheme.

“Email will continue to be the leading means of communication both for personal and commercial purposes,” said Kingsley Li, Assistant Postmaster General (Business Development). “This new service will enhance the productivity of mobile professionals while they are out of the office, and meet the demand for a high level of secure messaging.”

Enterprises depend heavily on email as a prime communications tool, and mobile workers need immediate access to corporate e-mail. Businesses can boost productivity and cut costs by enabling mobile professionals to stay connected while away from the office. Mobile e-Cert provides strong security to ensure the confidentiality of business information as it is exchanged over public wireless networks.

“The new secure wireless email service gives enterprises a quick, simple, and easy-to-use security infrastructure at a significant cost savings,” said Terence Chau, Vice President, Asia-Pacific, Diversinet Corp.

“Secure Mobile Email service enables enterprises to securely bridge the information gap between mobile and office workers, enhancing the workflow on the go and increasing overall effectiveness of business operations,” said Sam Lam, CEO of MobileTech Limited.

The Secure Mobile Email service features:

– The only wireless email solution powered by Hongkong Post Mobile e-Cert that provides a secure email client suitable for corporate users
– Send a new message, respond to customer requests, and identify read or unread emails – all from a single inbox view
– Works on your existing Palm Powered(tm) or Windows Mobile(tm) Pocket PC handheld device
– Integrates with Palm Address Book to quickly add message senders, or lookup message recipients
– Connects to Microsoft Exchange, Lotus Notes, and Internet (POP3/IMAP) mail servers over wireless or wireline networks

Secure Mobile Email service was co-developed by Diversinet and MobileTech, a mobile solution and service provider who helps to mobilize businesses by providing secure information access anywhere, anytime. MobileTech will also provide the technical implementation and support for the service.

Subscription plans for Secure Mobile Email service are now available on a semi-annual or annual basis. Current users of mobile devices can simply add Secure Mobile Email for their existing handheld, while new subscribers can choose one of several product-service bundles for purchase via the service website. Bundles include a Palm Powered(tm) or Windows Mobile(tm) Pocket PC mobile device, plus one year of Secure Mobile Email service, and a Hongkong Post Mobile e-Cert digital certificate.

For more information on Secure Mobile Email service, please visit

About Hongkong Post
To enable the development of electronic commerce in Hong Kong, Hongkong Post has created a public key infrastructure (PKI) and established on 31 January 2000 the first public Certification Authority (CA) in Hong Kong.

As empowered by S34 of the Electronic Transaction Ordinance (ETO), the Postmaster General is a recognised certification authority in Hong Kong. Hongkong Post issues digital certificates, namely Hongkong Post e-Certs, to individuals and businesses to authenticate the identity of the subscribers over the Internet. There are four types of e-Cert, namely Personal, Organisational, Encipherment and Server Certificates. Hongkong Post CA maintains a certificate repository and directory to allow the public to verify the validity of a particular Hongkong Post e-Cert prior to carrying out transactions. These services provide a secure and reliable environment for the conduct of electronic commerce in Hong Kong.

About Diversinet Corp.
Diversinet is a leading provider of secured mobile solutions to the enterprise, financial services, and gaming and wagering marketplaces. With demonstrated expertise in wireless and security, Diversinet delivers secure, reliable and scalable mobile solutions through security products and professional services such as application development and integration, consulting, training and technical support. Diversinet enables customers and their employees to securely access applications and critical corporate information from anywhere, at anytime and via any mobile device.

Diversinet is headquartered in Toronto, Canada, with offices in Fremont, California; Braintree, Massachusetts; Hong Kong; and London, England. For more information visit

About MobileTech Limited
MobileTech is a mobile solution and service provider who helps to mobilize your business to provide secure information access anywhere, anytime. MobileTech has a team of dedicated professionals providing end-to-end secure mobile solutions serving the transportation, Government and corporate industries in Hong Kong and China. To facilitate user provisioning and application deployment, a modular management framework is developed to ensure easy administration together with smooth user experience. MobileTech’s mSuite line of applications is being enhanced to suit a wide variety of industries. For more information, please check

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