User Guide

30 Kaspersky
®
SMTP-Gateway 5.0
of Kaspersky Lab’s update servers. This is a complicated task that deserves a
detailed explanation.
Task
: Create a shared local directory from which the local computers
will be able to update the anti-virus database.
Solution
: To accomplish this task, log in as a root user (or as any other
user that have the rights of a privileged user) and do the following:
1. Create a local directory.
2. Run the keepup2date component as follows:
keepup2date –u rdir
where rdir is the full path to the directory created.
3. Allow local computers on your network to access this directory.
5.2. Anti-virus protection of email
traffic
Anti-virus filtering of mail traffic is the most main task of Kaspersky SMTP-
Gateway.
The application is used to protect users against infected messages, and to
deliver only clean or disinfected messages, along with information on scanning
results for every message.
Additional filtration of messages by names and attachment types decrease the
load on the server when scanning email traffic for viruses. This represents only a
part of the application’s functionality. There is an extended discussion of the
application’s functionality below, in the sections describing specific protection
tasks.
All smtpgw settings are located in the [smtpgw.*] sections of the appli-
cation configuration file.
5.2.1. Creating groups of
recipients/senders
Recipients/Senders group is defined as pairs of recipient/sender email
addresses. A particular email message may be assigned to a particular group