About PureMessage Mail Filtering

The PureMessage mail filter (pmx-milter) integrates with the mail transfer agent (MTA) layer of your email infrastructure (sendmail, Postfix or JSMS) to process messages. Filtering options are defined using a Sieve-based policy script (policy.siv) which specifies the order of various tests and actions to be performed on each message. The following list describes some of the configurable filtering tasks:

Tasks can be applied differently to different users and groups within your organization, and can be flexibly ordered and combined to execute your desired email policy.

Related information
pmx-milter