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CHAPTER 1
Introduction
Cloudmark’s gateway solutions use the Cloudmark Cartridge to deliver the latest
Cloudmark anti-abuse technology for your email platform. This guide explains
how to install, configure, and administer the cartridge. You can find out what’s
new in this version of the cartridge in “What’s new in Cartridge 3048” below.
The rest of this chapter introduces the technology behind the Cloudmark
Cartridge:
• “Cloudmark fingerprinting algorithms” on page 2
• “Cloudmark Global Threat Network” on page 2
• “Micro-updates” on page 3
• “Message scoring” on page 3
• “Cartridge statistics” on page 4
• “Whitelisting” on page 5
What’s new in Cartridge 3048
Cartridge 3048 includes these changes:
• The Cartridge now keeps track of its last known viable state and returns to it
upon restarting after a crash.
• A new configuration key specifies an alternate port on which to download
micro-updates. See “micro-update port” on page 16.
• A new configuration key controls how the sending IP address is determined.
See “use envelope for ip information” on page 16.
• The default value for the “use ip information” configuration key is now “yes.”
See “use ip information” on page 16.
• The micro-update file set now includes .fsl and .xrl metadata files. See “Data
files” on page 20.
