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CHAPTER 4
Micro-Updates
Micro-updates is the mechanism that allows the Cloudmark Cartridge to
regularly download the latest fingerprint data used to identify abusive messages.
The fingerprint data is provided by highly trusted reporters and analysis by the
Trust Evaluation System in the Cloudmark Global Threat Network in near real-
time. Therefore, proper use of the micro-update mechanism is critical in
maintaining Cartridge accuracy as new types of spam, phishing, and virus
messages are reported.
! Your installation must have a valid license file in order to download and process
micro-updates. If you do not have a license file, please request one from Cloudmark.
This chapter includes the following topics:
• “Micro-update frequency” below
• “Network interaction” on page 19
• “Data files” on page 20
• “Advanced micro-update configurations” on page 21
Micro-update frequency
The administrator can set the frequency at which the software downloads the
micro-updates in one of two ways:
• using automatic updates
This is the default setting. See “Automatic micro-updates” on page 18.
• setting a specific update interval
This setting is not recommended, as it may compromise the accuracy of
filtering. See “Updates at user-specified intervals” on page 18.