Kaspersky Anti-Spam 3.0: Critical Fix 2 (build
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Kaspersky Anti-Spam 3.0


Kaspersky Anti-Spam 3.0: Critical Fix 2 (build

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2012 Jan 23 ID: 1394

On August 2, 2007 Kaspersky Labs announces release of Critical Fix 2 (CF2) for Kaspersky Anti-Spam 3.0 (version

What's new? 

The following improvements have been introduced since Kaspersky Anti-Spam 

  • Methods for fighting the so-called "graphic" spam, i.e. tools used to analyze graphic attachments. New algorithms have been introduced for processing and identification of similar images with textual content as well as the GSG-8 and GSG-9 technologies. 
  • FreeBSD 6.2 platform has been added to the list of supported platforms. 
  • FreeBSD 4.11 platform is no longer supported. 
  • The uds-rtts.sh utility now has additional functionality (a new '-a' option) for testing of proper UDS functioning. 


Fixed Problems  

The following problems have been fixed as compared to Kaspersky Anti-Spam 3.0 MP1 CF1 (

  • Possible termination or freezing of filtering processes when a list of protected domains is used. 


  • Accidental setting of incorrect access rights for the files of application components in case if they have been updated earlier using a package of modified application files for previous product versions. 


The following problems have been fixed as compared to Kaspersky Anti-Spam 3.0 MP1 ( 

  • Possible termination with an error caused by invalid configuration settings has been fixed for kas-pipe (the component for integration with postfix and exim). 


  • Unauthorized users could access some directories of the web-based product configuration system. 


  • The list of protected domains could sometimes be ignored if recorded in uppercase style. 


  • Problems occurring during work with DNSBL servers have been fixed.


  • Detailed logging in the kas-qmail component for integration with qmail has been improved. 


  • In the component for integration with Communigate Pro mail system (kas-cgpro) processing of configuration settings has been improved and correct behaviour in case of anti-spam engine errors ensured. 


  • Contact information of Kaspersky Lab Technical Support has been updated.


  • Product integration with postfix mail systems has been improved. 

Product installation and upgrade 

Application installation "from the scratch" is described in the user’s guide in the file release_notes

In order to upgrade from the earlier version Kaspersky Anti-Spam 2.0

1. remove Kaspersky Anti-Spam 2.0 integration from the host mail system; 

2. uninstall Kaspersky Anti-Spam 2.0 (following the recommendations in the user’s guide Kaspersky Anti-Spam 2.0) 

3. install Kaspersky Anti-Spam 3.0 MP1 in the system (as described in the user’s guide or in the file release_notes). 

To update from earlier builds of Kaspersky Anti-Spam 3.0 (,, 

  • install updating packages of the modified executable files (the file kas- 

Warning If you use this package, the product installed on your computer have identical features with Kaspersky Anti-Spam 3.0 MP1 CF2 except that the records in the system log of installed software will contain information about the build of Kaspersky Anti-Spam 3.0 installed earlier. 

In order to use the update package, unpack archive kas- using command 

tar xfz kas- 

and run update script upgrade.sh in folder kas- that will be created. 

If the scrip is executed successfully, all modified executable files will be saved and a backup copy of all modified files will be saved to the current folder as archive kas3-backup.tgz

If you are using a Communigate Pro e-mail system, it has to be restarted after completion of the upgrade script. 

  • Uninstalling the previous build and installing the new version. For it: 
    • remove Kaspersky Anti-Spam 3.0 from the host mail system 

If no changes have been added since the original integration, you can deintegrate Kaspersky Anti-Spam by running the following script: 


If the configuration files of the host mail system have been modified, you should reverse integration manually in accordance with the Administrator's Guide of the installed Kaspersky Anti-Spam build. 

    • delete the package kas-3 by the OS means. 

For FreeBSD run one of the following commands 

pkg_delete kas-3-3.0.242 


pkg_delete kas-3-3.0.255 


pkg_delete kas-3-3.0.274 

For Linux distributives based on RPM: 

rpm -e kas-3-3.0.242 


rpm -e kas-3-3.0.255 


rpm -e kas-3-3.0.274 

For Debian: 

aptitude purge kas-3 

    • manually delete the folder /usr/local/ap-mailfilter3 (if it has not been deleted): 

rm -rf /usr/local/ap-mailfilter3 

    • install Kaspersky Anti-Spam build in the system (following the recommendations in the user’s guide or the file release_notes). 
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