The following recommendations assume a mail server that is processing a volume of approximately 120,000 messages per hour.
For handling extremely large volumes of mail, you can get very good scalability by increasing the number of central processing units (CPUs) on the PureMessage server and by running different filters on separate PureMessage servers.
This configuration is suitable for testing or for sites with very low email volume.
The per-process defaults or kernel parameters should be tuned so that the pmx process is able to access at least the following resources:
Many of the settings described above can be adjusted using the ulimit command. Some will need adjustment of kernel parameters, and a recompiled kernel on some systems.
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