Using message processing rules

21 August 2023

ID 88778

A message processing rule (hereinafter also "the rule") is a specific multitude of pairs of addresses of senders and recipients whose email messages are processed by Kaspersky Security 8 for Linux Mail Server by applying the same values of settings. For a rule to be assigned to an email message, the addresses of the sender and recipient must be specified in the rule settings.

By default, the program contains the following preset message processing rules:

  • WhiteList processes messages from the global white list of addresses.
  • BlackList processes messages from the global black list of addresses.
  • Default processes messages according to the settings predefined by Kaspersky.

When processing an email message, Kaspersky Security 8 for Linux Mail Server applies rules according to their order in the table from top to bottom, regardless of the sequence number of a rule ID. If the combination of sender-recipient addresses does not match, the program proceeds to the next rule. As soon as it finds the sender-recipient pair of addresses in any rule, the program applies the processing settings configured in that rule to the message, and the search for a match is finished.

If none of the rules contains the "sender - recipient" pair of addresses, the message is processed in accordance with the preset settings of the Default rule.

If the message has a DKIM signature, it may be damaged if applied processing rules modify the subject or body of the message, delete attachments, disinfect detected malicious objects, add disclaimers to the body of the message.

For each rule, you can specify your own settings for processing email messages.

In this Help section

Creating message processing rules

Creating a copy of a message processing rule

Configuring lists of mail senders and recipients for a rule

Deleting message processing rules

Enabling and disabling a message processing rule

Changing the priority of a message processing rule

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