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MailFrontier Strengthens Enterprise Messaging Security Arsenal with MailFrontier Enterprise Gateway 2.5
Newest Version of Award-Winning Product Provides the Right Email Threat Protection at the Right Place in the Enterprise

Palo Alto, Calif., January 29, 2004 – MailFrontier, a pioneer in messaging security, today unveiled MailFrontier Enterprise Gateway 2.5, the latest version of its award-winning enterprise spam filtering solution. MailFrontier Enterprise Gateway 2.5 represents a new level of capability in deflecting threats to email, adding protection against directory harvest attacks (DHAs) and dictionary attacks, as well as enabling enterprises to filter email at the perimeter, while email quarantine and system management are centralized within the corporate network.

“MailFrontier pioneered and delivered ground-breaking innovations, such as the multi-pronged approach to spam filtering, user-centric filtering for each mailbox at the gateway and customized email profiles for each enterprise,” said Pavni Diwanji, CEO and co-founder of MailFrontier. “We designed MailFrontier Enterprise Gateway 2.5 to provide protection against some of the most insidious messaging threats while supporting even the most data-intensive computing environments. With our new, patent-pending approaches to DHAs and dictionary attacks, and a unique distributed architecture that provides the right protection at the right place, we have raised the bar for fulfilling the messaging security needs of large enterprises.”

Key new features of MailFrontier Enterprise Gateway 2.5 include:
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 Prevents Directory Harvest Attacks: Directory Harvest Attacks occur when a spammer contacts an email system to collect legitimate corporate email addresses. This information enables spammers to spoof the email address of one employee within a company and email the rest – potentially asking for and obtaining sensitive corporate information. Leveraging its seamless integration with the corporate messaging directory, MailFrontier Enterprise Gateway can be configured to give spammers no information about the validity of an email address, which effectively shuts down their spam attacks.
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 Prevents Dictionary Attacks: Dictionary Attacks are a brute-force technique whereby a spammer sends every possible letter and number combination to guess the email addresses in a company. MailFrontier Enterprise Gateway stops dictionary attacks at the perimeter and avoids costly performance degradation by automatically deleting, bouncing, or quarantining any incoming email addressed to invalid email addresses.
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 Distributed Architecture: The MailFrontier distributed architecture provides the right protection at the right place. The MailFrontier Remote Analyzer filters email at the perimeter of the corporation, while system management, reporting and a central email quarantine reside inside the secure corporate network. For corporations with multiple data centers, MailFrontier provides the first anti-spam software to enable all employees to login to a single, centralized quarantine server, while providing distributed filtering at the perimeter of each data center.


According to Gartner, in 2004 spam will comprise 55 percent of the average enterprise mailbox, with an increasing amount of it carrying malicious code and scams. Furthermore, Ferris Research has identified the cost of spam to businesses worldwide at roughly $20 billion in 2003. Overall, unwanted email results in lost productivity, increased storage and bandwidth costs, corporate liability and threats to security and proprietary information.

Pricing and Availability
MailFrontier Enterprise Gateway 2.5 pricing is calculated on a per-seat basis and includes software upgrades, support, and real-time updates of all statistical heuristics, filters, community thumbprints, and black and whitelists. MailFrontier Enterprise Gateway scales for corporations with multiple sites and over 100,000 users, is available for use on Windows and Solaris platforms, and works with any mail server and any mail client. Interested parties please note that MailFrontier Anti-Spam Gateway is now called MailFrontier Enterprise Gateway.

About MailFrontier
MailFrontier is a pioneer in messaging security, ensuring the continued vitality of email for business communication. Enterprises need to keep email secure and productive. MailFrontier approaches this problem with a focus on email users, becoming the first company in the industry to provide a unique user-centric approach. This approach has now become the standard for email security offerings. MailFrontier has more than 300 enterprise customers, including Pier 1 Imports, Wyndham International and Peet’s Coffee & Tea. Founded in February 2002, MailFrontier is headquartered in Palo Alto, Calif. The company’s investors include New Enterprise Associates, Draper Fisher Jurvetson and Menlo Ventures. For additional information, go to www.mailfrontier.com.

Note: MailFrontier is a trademark of MailFrontier Incorporated. All other company and product names are trademarks or registered trademarks of their respective owners.