Bizanga Integrates Commtouch Anti-Spam and Zero-Hour Virus Protection Technology Into its Intelligent Message Processor; Highly Scalable Joint Solution to Provide Added Value to Service Providers

The Commtouch anti-spam and Zero-Hour(TM) virus preventiontechnology joins other best-of-breed filtering technologies availableon the IMP to provide rapid response capabilities to operators andservice providers. Commtouch's Recurrent Pattern Detection(TM)technology -- in conjunction with the IMP's workflow processor --uniquely enables operators and service providers to prioritize emailtraffic according to its importance. The integrated platform processesin excess of 4.2 million email messages per hour on a single systemwith this and other industry-leading third party applications. Ininstallations at operators across the world, the IMP already processeswell in excess of 200 million email messages per day.

"Bizanga was looking for reliable filtering technologies thatwould also allow for scalable classification of the traffic flow,"said Marc Sheldon, Chief Marketing Officer for Bizanga. "Commtouch'sRPD(TM) technology provides this capability to our customers, enablingnew ways of managing email streams in accordance with their relativeimportance to the end user. Commtouch's proven email securitytechnology will provide protection for our customers against currentand future spam and malware threats."

The Commtouch anti-spam and Zero-Hour virus prevention module isavailable for Bizanga's current and future customers as a fullyintegrated optional module for the Bizanga IMP as of version 2.5,scheduled for release in July 2006.

"We are pleased to be working with Bizanga to expand our reach toservice providers globally," said Jay Goldin, Commtouch Inc.'s VicePresident of Business Development. "Commtouch's pro-active, lowfootprint technology provides a distinct edge, enabling telcos andISPs to block spam and protect their customers from malware at theexact moment of an attack."

About Bizanga:

Bizanga Ltd. is a global company which has developed the mostscalable and fully-featured Email and Message Processing Platform. TheIntelligent Message Processor(R) (IMP) integrates seamlessly andeffortlessly with existing Email and messaging infrastructure while atthe same time securing it against blended threats including spam,viruses, denial-of-service and harvest attacks. Especially designedfor service providers and global corporations, it serves millions ofmailboxes throughout Europe, North America and Asia. The company sellsdirect to Internet Service Providers, Mobile Operators and CableProviders and provides its technology on an OEM basis to applicationsoftware vendors seeking to port their Email and message processingsolutions to an appliance format. Bizanga is a member of the MessagingAnti-Abuse Work Group (www.maawg.org). For more information aboutBizanga, visit the company's web site at www.bizanga.com.

About Commtouch:

Commtouch Software Ltd. (NASDAQ: CTCH) is dedicated to protectingand preserving the integrity of the world's most importantcommunications tool -- email. Commtouch has 15 years of experiencedeveloping messaging software, and is a global developer and providerof proprietary anti-spam and Zero-Hour virus protection solutions.Using core technologies including RPD (Recurrent Pattern Detection),the Commtouch Detection Center analyzes billions of email messages permonth to identify new spam and malware outbreaks within minutes oftheir introduction into the Internet. Integrated by over 30 OEMpartners, Commtouch technology protects thousands of organizations,with over 35 million users in 100 countries. Commtouch isheadquartered in Netanya, Israel and has a subsidiary in MountainView, CA. For more information, see: www.commtouch.com, including theCommtouch online lab detailing spam statistics and charts.

This press release contains forward-looking statements, includingprojections about our business, within the meaning of Section 27A ofthe Securities Act of 1933 and Section 21E of the Securities ExchangeAct of 1934. For example, statements in the future tense, andstatements including words such as "expect," "plan," "estimate,""anticipate," or "believe" are forward-looking statements. Thesestatements are based on information available to us at the time of therelease; we assume no obligation to update any of them. The statementsin this release are not guarantees of future performance and actualresults could differ materially from our current expectations as aresult of numerous factors, including business conditions and growthor deterioration in the Internet market, commerce and the generaleconomy, both domestic as well as international; fewer than expectednew-partner relationships; competitive factors, including pricingpressures; technological developments, and products offered bycompetitors; the ability of our OEM partners to successfully penetratemarkets with products integrated with Commtouch technology; a slowerthan expected acceptance rate for real time AV solutions in generaland the Commtouch Zero-Hour(TM) Virus Protection product inparticular; availability of qualified staff for expansion;technological difficulties and resource constraints encountered indeveloping new products, such as the Zero-Hour solution; and thefailure of Commtouch to meet The Nasdaq Capital Market's listingstandards in the future, as well as those risks described in the textof this press release and the company's Annual Reports on Form 20-Fand reports on Form 6-K, which are available through www.sec.gov.

Recurrent Pattern Detection, RPD and Zero-Hour are trademarks, andCommtouch is a registered trademark, of Commtouch Software Ltd. U.S.Patent No. 6,330,590 is owned by Commtouch.