09 June 2005

 

Toshiba to Adopt IIJ's Anti-spam Solution; Ensuring email protection and security with a multi-tiered filtering technology

Internet Initiative Japan Inc. (IIJ, NASDAQ: IIJI), one of Japan's leading Internet access and comprehensive network solutions providers, today announced that it will provide Toshiba Corporation (Toshiba) with an anti-spam solution.
The anti-spam solution being provided to Toshiba consists of two components: IIJ Edge Filter and IIJ Spam Mail Filter. The IIJ Edge Filter identifies and restricts mass spam mail that is sent to a single server in a short period of time, as well as mail that clearly contains suspicious content. The IIJ Spam Mail Filter determines a spam rating for all incoming mail messages and filters them on that basis. IIJ Edge Filter was implemented in December of last year, while IIJ Spam Mail Filter will be implemented in June of this year.
Every year, mountains of spam are sent to users without their consent, and every year the perpetrators devise more devious and vicious methods to send even more. The problem has become so critical that more than 70% of the mail sent in the U.S. is said to be spam. The problem is becoming more serious in Japan as well, and for businesses in particular, responding to the growing flood of spam mail is a drain on budgets and systems, not to mention a drag on productivity for entire companies.
Toshiba maintains tens of thousands of mail accounts on it's Group network, which makes resolving the spam mail problem a priority. IIJ has worked with Toshiba in the past when it decided to implement IIJ's Web Gateway Service to provide securely managed Web access. With IIJ's advanced Internet technology, the IIJ Web Gateway's record of high performance, and IIJ's pioneering efforts in anti-spam solutions, it was natural choice for Toshiba to enlist IIJ's help again on this project.
After implementing IIJ Edge Filter, Toshiba saw a 30% drop in mail traffic, and this performance is expected to increase once the IIJ Spam Mail Filter is brought on-line.
The IIJ Anti-spam Mail Solution
The IIJ Anti-spam Mail Solution consists of the components described below, and these components create a multi-tiered filtering structure that achieves better filtering rates on spam mail with far fewer false positives, and removes the need to waste money on additional equipment.
IIJ Edge Filter
IIJ's proprietary anti-spam solution uses a three-pronged approach to stop large mass mail transmissions before they reach a customer's system: (1) Mail volume control, which checks the number of messages received in a certain unit of time to determine when large volume mail transmissions are occurring, (2) Access control, which uses IP addresses and sender/receiver information to interrupt or restrict mail from specific sources, and (3) File extension filtering, which interrupts or restricts messages with file attachments that have certain file extensions. This service prevents damage that is caused by large volumes of mail hitting a user's system at once, and improves system availability.
Future developments will make the system compatible with the up and coming sender authentication technology for fighting spam.
IIJ Spam Mail Filter
U.S.-based MX Logic's filtering engine provides the spam filtering features that determine the spam rating of all incoming messages. The spam level is then used to filter out spam. Messages with a high spam rating are put into quarantine automatically on a remote folder where they can be deleted en masse, thus greatly reducing the load on the customer's servers.
E-mail has become an indispensable tool in our daily lives, and IIJ will continue working to develop services that make it easier to use.
About IIJ
Founded in 1992, Internet Initiative Japan Inc. (IIJ, NASDAQ: IIJI) is one of Japan's leading Internet-access and comprehensive network solutions providers. The company has built one of the largest Internet backbone networks in Japan, and between Japan and the United States. IIJ and its group of companies provide total network solutions that mainly cater to high-end corporate customers. The company's services include high-quality systems integration and security services, Internet access, hosting/housing, and content design.
The statements within this release contain forward-looking statements about our future plans that involve risk and uncertainty. These statements may differ materially from actual future events or results. Readers are referred to the documents furnished by Internet Initiative Japan Inc. with the SEC, specifically the most recent reports on Forms 20-F and 6-K, which identify important risk factors that could cause actual results to differ from those contained in the forward-looking statements.

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