KAPERSKY ANTI-VIRUS 5.0 - FOR LINUX FREEBSD-OPENBSD MAIL SERVER Administrator's Manual page 14

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It should be noted that Kaspersky Anti-Virus
against viruses and does not constitute a mail agent capable of receiving and
routing mail traffic. This is carried out by a mail system installed on the server
with which the anti-virus program is integrated after installation.
Let us use the sendmail mail system as an example to take a detailed look at the
internal operation algorithm of Kaspersky Anti-Virus
its integration with the mail system (see Figure 1).
It should be noted that in the process of anti-virus integration into the
sendmail mail system, an additional configuration file sendmail.cf.listen
is created.
When started with this configuration file, sendmail receives mail traffic
and passes it to Kaspersky Anti-Virus
original configuration file (sendmail.cf), it delivers mail messages
received from the anti-virus.
Thus, the operation algorithm is as follows:
1. Mail traffic is received by sendmail via the SMTP protocol (configuration
file sendmail.cf.listen). sendmail creates a queue, in which it stores the
incoming mail and passes it via the LMTP protocol to the smtpscanner
component for scanning.
2. The smtpscanner component processes the mail traffic according to its
settings. The process of scanning and cleaning is carried out in the
following way:
aveserver component using the local socket.
database.
defines the status of the file.
according to the configuration file settings.
3. Processed mail traffic with notifications regarding the results of
scanning and cleaning is transferred via the SMTP protocol to the
sendmail mail system (with configuration file sendmail.cf), which
delivers this mail traffic to local users or routes it to other mail servers.
Smtpscanner passes the file name of the mail message to the
Aveserver scans and disinfects the object using the anti-virus
Smtpscanner receives from aveserver a return code that
Depending on the object status, smtpscanner processes it
Kaspersky Anti-Virus for Unix Mail Servers
®
is only developed to filter mail
®
for Unix Mail Servers after
®
for scanning. If started with the