Cloudmark's New Trade-Up Program Intensifies Battle for Email Security Domination.

SAN FRANCISCO -- Company Willing to Prove Its Technology Best with the Most Aggressive Industry Offer Ever

Cloudmark(TM) Inc., the company that delivers the immune system for email, today announced an aggressive trade-up program that offers companies the opportunity to replace their existing anti-spam product free of charge. As a part of the program, Cloudmark will trade out a company's existing anti-spam solution and replace it with Cloudmark's superior email security solution and standard support for the duration of the subscription.(1) The offer starts immediately and is good through December 31, 2004.

Both large enterprises and small and medium businesses are eligible for the trade-up program, replacing their existing solutions with Cloudmark Immunity(TM) and Cloudmark Exchange Edition(TM) respectively. For personal users, Cloudmark's newly launched SafetyBar(TM) solution (formerly SpamNet(TM)) is also eligible for a trade-up through a $20.00 rebate when a one-year subscription is purchased -- that equals access to the most award-winning protection in the industry for just $19.95, a 50 percent savings.

"According to a recent IDC study (The True Cost of Spam and the Value of Anti-Spam Solutions), more than 40 percent of respondents are not satisfied with their current anti-spam solutions," said Brian Burke, security products research manager at IDC. "Cloudmark's trade-up program offers organizations a cost-effective upgrade from ineffective first-generation anti-spam solutions to a more comprehensive email security solution."

The significant advantage that Cloudmark's email security solution offers, compared with conventional anti-spam approaches, makes a critical difference for customers. The trade-up program means that customers, who are unhappy and living with flaws, declining accuracy, false positives, help desk calls and other limitations with their existing solutions, no longer have to worry about prohibitive switching costs.

"The trade-up program highlights how increasingly competitive the anti-spam industry is becoming and Cloudmark is now one step closer to achieving our goal to dominate the email security space," said Karl Jacob, Cloudmark CEO. "We are confident across the board in having the leading email security solutions available and are ready to put our money where our mouth is to prove it."

As a part of the program, Cloudmark affords the following to its present and future customers:

--An email security solution that meets your specific needs - whether individual user, small- to medium-sized business or enterprise.

--An email security solution that's automatic making it easy-to-use and manage, with little to no involvement by the IT department.

--An email security solution that catches a problem before it becomes one.

--No time spent creating countless rules, or whitelists and blacklists, to get customized protection for your enterprise and its individual employees; it all happens automatically.

--An email security solution that automatically learns and adapts to your personal preferences and the needs of your enterprise.

--No time spent sorting through spam folders to make sure legitimate messages were not falsely recorded, or picking up help desk calls.

--An email security solution with an accuracy level of no less than 98 - 100 percent of fraudulent messages caught with zero false positives.

--For consumers, the opportunity to be a part of the largest most award-winning collaborative spam- and fraud-fighting community, now over one million strong.

For more details on each offer or to sign-up for Cloudmark's trade-up program, please contact a Cloudmark sales representative at 415-543-1220, email [e-mail] or visit www.cloudmark.com/tradeup/.

The Cloudmark Product Line:

--Cloudmark Immunity - Built for large enterprises with 5000 seats or more, Immunity works just like our immune system automatically adapting to individual needs. It is the first and only email security solution to combine advanced Email Genetic Mapping(TM) (EGM) with nDimensional technology to automatically learn the preferences of the enterprise and its employees. This approach delivers a customized defense system against email threats enabling enterprises to achieve 100 percent accuracy and zero false positives. In addition, Cloudmark's revolutionary nD Visualizer(TM) enables IT administrators to easily analyze enterprise email trends and identify problem areas quickly through a first-ever graphical management tool.

--Cloudmark Exchange Edition - Cloudmark Exchange Edition is the email security solution for small- to medium-sized businesses that requires virtually no IT resources to stop spam, fraud and other email threats. It can be installed directly onto the Microsoft Exchange Server. CEE delivers maintenance-free, instant spam protection, proven to stop over 98 percent of spam automatically with zero false criticals. It takes advantage of automatic real-time updates from Cloudmark's SafetyBar community of more than one million SpamFighters identifying and blocking spam in real-time.

--Cloudmark SafetyBar - Cloudmark SafetyBar(TM) 4.0, the easy-to-use, most award winning anti-spam and anti-fraud solution for Microsoft Outlook(R) and Outlook Express(R), is backed by the first and largest community of spam and fraud fighters and protects more than one million users in 72 countries from all email threats before harm is done. Cloudmark SafetyBar automatically prevents over 98 percent of unwanted spam and fraudulent email from reaching a user's inbox. The service now offers improved fraud protection and a Block Fraud button enabling people to fight back against malicious phishing attacks and stop fraud in the same way they have been working together for over six years to stop unwanted email.

About Cloudmark, Inc.

Cloudmark(TM) is the company that delivers the immune system for email. The company offers tailored anti-spam and anti-fraud solutions for the individual user, small and medium businesses (SMBs) large enterprises and service providers to provide immediate relief for thousands of businesses and more than a million individuals in 72 countries.

Cloudmark invented the highly effective spamDNA technology, the recent innovation of Email Genetic Mapping(TM) coupled with Cloudmark's revolutionary nDimensional technology and the first peer-to-peer, real-time, SpamFighting community in 1998.

CTO Jordan Ritter, also co-founder of Napster, and Vipul Ved Prakash, chief scientist and author of Vipul's Razor founded Cloudmark.

For more information about Cloudmark, visit the company's web site at: http://www.cloudmark.com/.

Cloudmark, the Cloudmark logo, SpamNet, SafetyBar, Immunity, Cloudmark Exchange Edition, Email Genetic Map (EGM), Trust Evaluation System (TeS) and Email Genetic Mapping are trademarks or registered trademarks of Cloudmark Inc., for use in the United States and other countries. All other product and company names herein may be trademarks of their respective owners.

(1) Additional terms and conditions apply. Go to www.cloudmark.com/tradeup/ for more information.