MailFrontier Supports Sender ID Framework With General Availability of MailFrontier Gateway 3.5

PALO ALTO, CA -- 12/14/2004 -- MailFrontier™, a pioneer in email security and leading provider of anti-spam and anti-phishing solutions, today announced the general availability of its MailFrontier Gateway™ 3.5 product family, providing customers with a comprehensive anti-virus solution in addition to new techniques for fighting spam and phishing. As part of the offering, Sender ID Framework (Sender ID) is fully implemented and supported through MailFrontier’s product portfolio.

The Sender ID Framework is an industry initiative resulting from the convergence of Microsoft’s Caller ID for email proposal and Meng Wong’s Sender Policy Framework (SPF). Championed by email industry leaders, Sender ID was developed to counter domain name spoofing -- the number one deceptive practice used by senders of email phishing scams and spam. Based on evaluating the sending server’s IP address, Sender ID verifies that an email message originated from the domain it claims to come from and holds emails accountable that attempt to falsify their origin.

“Keeping unwanted email out of our customers’ inboxes requires an approach that identifies the sender, analyzes the content, and applies a collaborative review of every email,” said Anne Bonaparte, president and CEO of MailFrontier. “Support for Sender ID is a critical component of our email authentication technology and an extension of our SPF implementation. It is imperative that the industry comes together to support Sender ID so that the ’war against email threats’ can be won.”

Using both Sender ID and MailFrontier Reputation™, the MailFrontier Gateway product family not only validates the sender’s claimed identity, but also evaluates that sender’s reputation, cross-checking against MailFrontier’s proprietary database -- the industry’s largest -- with more than 20 million entries to date. Together, Sender ID and MailFrontier Reputation ensure that MailFrontier continues to deliver the highest level of protection from unwanted email.

“Broad worldwide adoption of authentication technologies like the Sender ID Framework is essential to the fight against spam and phishing attacks,” said Craig Spiezle, Director of Business and Industry Strategy, Microsoft Safety Technology and Strategy Team. “We are pleased that MailFrontier, an industry leader and early adopter in the fight against spam, phishing, viruses and emerging email threats, is helping to move this important protocol forward.”

MailFrontier’s integrated solution powers the company’s product portfolio, including -- MailFrontier Gateway Server, Enterprise Edition; MailFrontier Gateway Appliance; and MailFrontier Gateway Server, Small Business Edition. MailFrontier Gateway products block viruses at ’Time Zero,’ when viruses first hit a network, via a multi-layered, anti-virus approach based on its market-leading anti-phishing and anti-spam technologies while providing integrated decisive signature technology from partners, McAfee and Kaspersky Labs, to deliver customers unparalleled virus protection. Coupled with the latest techniques, including Sender ID and MailFrontier Reputation to stop spam and MailFrontier Bayesian Fraud Filter™ to block email phishing fraud attacks, MailFrontier Gateway product boasts the industry’s most comprehensive email security solution.

About MailFrontier

MailFrontier is a leading provider of email security solutions that stop unwanted email by protecting enterprises from the growing number of dangerous and costly email threats while giving them the ability to anticipate and stop new threats as they emerge. MailFrontier offers a comprehensive defense against all known email threats, including spam, viruses, phishing, blended threats and other attacks, such as directory harvest attacks. The company has more than 800 customers, including Peet’s Coffee & Tea, Pier 1 Imports, PNM Resources, San Francisco Giants and Wyndham International. Founded in February 2002, MailFrontier is headquartered in Palo Alto, California. For additional information, go to www.mailfrontier.com.

MailFrontier, MailFrontier Gateway, MailFrontier Reputation, and MailFrontier Bayesian Fraud Filter are trademarks of MailFrontier, Inc. All other company and product names are trademarks or registered trademarks of their respective holders.

Contact Information

Jennifer Farrior

PR

Ogilvy Public Relations for MailFrontier

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