Leading Open Source Email Filtering Package Offers First Major Code Release 
Since 2007

FOREST HILL, MD – 26 January, 2010 – The Apache Software Foundation (ASF) today 
announced the release of Apache SpamAssassin 3.3.0, the first major code 
release from the Apache SpamAssassin Project since May 2007. Apache 
SpamAssassin v3.3.0 marks the Project's 4th major (and 24th overall release) 
since the SpamAssassin Project joined the ASF in December 2003.

Apache SpamAssassin is an award winning, mature, wide-spectrum, extensible 
email filtering package deployed by hundreds of thousands of organizations 

"Apache SpamAssassin is the leading Open Source email spam filtering software 
package that is in use by national, regional and local ISPs, email service 
providers, Fortune Global 500 companies, small to

enterprise businesses, all levels of the education sector, governments and 
private individuals," said Daryl C. W. O'Shea, Chair of the Apache SpamAssassin 
Project Management Committee (PMC) and Information Technology Coordinator at 
the Township of Tay in Ontario, Canada. "SpamAssassin is also in use at the 
core of many commercial offerings of premier email and spam filtering firms: 
with its automatic update feature, sa-update, SpamAssassin now not only saves 
the time of end-users, it saves the time of email administrators, further 
increasing the software's ROI. We're very proud that SpamAssassin has become 
the standard for extensible and effective spam filtering software."

Apache SpamAssassin 3.3.0 represents a major shift in how SpamAssassin rules 
(the actual patterns that help to identify spam) are updated. Starting with 
version 3.3.0, rules are now separate from the core product and are instead 
downloaded using "sa-update", SpamAssassin's automatic update software. This 
method was optional with the 3.2.x series of releases and has proven to be very 

SpamAssassin provides a comprehensive set of features and support for methods 
and standards such as text based patterns, bayesian scoring, DNS based black 
and white lists, DKIM and SPF sender authentication, and email signature 
clearing houses. The software utilizes a principle of identifying multiple 
reasons for classifying an email as spam to improve accuracy and decrease the 
chance of legitimate emails being incorrectly identified as spam.

Les Tutkaluke, President of netGUARD Solutions said, "NetGUARD Solutions has 
been utilizing SpamAssassin for 8 years starting with version 1.0. The advanced 
e-mail scanning functions within the processing engines of netGUARD Solutions 
manages in excess of 75 million messages per day for our vast customer 
subscriber base. SpamAssassin is an integral and admirable addition to our 
filtering system and is a significant part of the accurate identification of 
unwanted e-mail. The success of netGUARD Solutions is directly tied to 
SpamAssassin and the solid programming within it."

"Over the past 365 days, SpamAssassin has blocked 516,975 unsolicited junk 
mails while letting through 85,032 clean ones. Without SpamAssassin email would 
simply be unusable. It is an essential component to our business activities," 
said Jean-Yves Avenard, SysAdmin at Hydrix Pty Ltd, Australia.

Released under the Apache Software Licence v2.0, Apache SpamAssassin 3.3.0 can 
be downloaded at http://spamassassin.apache.org/; additional user reviews and 
industry testimonials are available at 

About The Apache Software Foundation (ASF)

Established in 1999, the all-volunteer Foundation oversees more than seventy 
leading Open Source projects, including Apache HTTP Server — the world's most 
popular Web server software. Through The ASF's meritocratic process known as 
"The Apache Way," nearly 300 individual Members and 2,000 Committers 
successfully collaborate to develop freely available enterprise-grade software, 
benefiting millions of users worldwide: thousands of software solutions are 
distributed under the Apache License; and the community actively participates 
in ASF mailing lists, mentoring initiatives, and ApacheCon, the Foundation’s 
official user conference, trainings, and expo. The ASF is funded by individual 
donations and corporate sponsors including Facebook, Google, HP, Microsoft, 
Progress Software, SpringSource/VMware, and Yahoo! For more information, visit 

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