User Guide

Advanced application settings 53
optimal value for most cases and it is not recommended to alter
it.
• Specify timeouts used by the application to send messages:
• Maximum time for receiving data from the remote server when
establishing an SMTP session (SendingInitialTimeout option).
• Maximum time to start a mail session (command HELO/EHLO)
(SendingHelloTimeout option).
• Timeout for waiting for the response from the remote server to
the MAIL FROM command (SendingMailTimeout option).
• Timeout for defining the recipient (RCPT TO command)
(SendingRcptTimeout option).
• Timeout for initiating data transfer (DATA command)
(SendingDataInitiationTimeout option).
• Timeout for stopping the data transfer (CRLF.CRLF sequence)
to a remote server (SendingDataTerminationTimeout option).
• Timeout for quitting the current mail session (QUIT command)
(SendingQuitTimeout option).
• Specify timeouts used by the application to receive messages:
• Timeout for starting the DATA command
(ReceivingDataInitiationTimeout option).
• Timeout for stopping the data transfer by the remote server
(ReceivingDataTerminationTimeout option).
• Timeout for waiting for the HELO/EHLO, MAIL FROM, RCPT
TO, QUIT commands from a remote server
(ReceivingCommandTimeout option).
Besides, you can configure time-related parameters of internal DNS client
operation in the [smtpgw.resolve] section (see section A.2 on p. 82).
5.3. Setting performance
restrictions
Kaspersky SMTP-Gateway provides the administrator with the possibility to
setup certain limits when working with the application. In some cases, this may
help reduce the load on your server and increase performance. In addition, using
network restrictions, it is possible to prevent some types of virus outbreaks and