User Guide

Using the application 33
To create a new group of user addresses,
1. Create section [smtpgw.group:group_name] in the configuration
file.
2. Specify sender and recipient addresses as the values of Senders
and Recipients parameters (masks of addresses).
To define masks, you can use the "*" and "?"
wildcards.
If you do not define the Recipients
OR Senders
parameters, the default value will be "
*@*"
At least one of the Senders or Recipients parameters
must be specified.
If you have added other groups to the configuration file, the application will
process messages from these groups as follows:
1. The application first compares the message address(es) with
addresses in the groups created by the administrator. If the
recipient/senders addresses pair is found in a specific group, the
rules defined for that group will be applied to the message.
If a sender/recipient address fits the address ranges of
several groups, the application will use the rules for the first
of those groups.
2. If the message addresses do not match any group, created by the
administrator, the message will be processed according to the rules
described in the [smtpgw.policy] section.
If a message has several recipients belonging to different
groups, virtual copies of the initial message will be created
to match the number of such groups. Each copy will be
processed individually according to the rules specified by
the particular group.
Figure 6 demonstrates the sequence of actions applied by Kaspersky SMTP-
Gateway to a received email message.