Kaspersky Lab kaspersky anti-virus-smtp-gateway 5.5 for linux & unix User Guide
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Kaspersky
®
SMTP-Gateway 5.0
• Define the timeout for refreshing the MX record in the application
cache (MXCacheRefreshPeriod option, in seconds). During this pe-
riod of time the application will not perform DNS-inquiries on the do-
mains information on which is stored by MX-records.
riod of time the application will not perform DNS-inquiries on the do-
mains information on which is stored by MX-records.
• Determine the time for storing information about hosts with unresolved
name (parameter UnresolvedCacheRefreshPeriod). After an unsuc-
cessful attempt to determine the name of the application host, no re-
peated attempts will be made to connect to such host or to determine
the name o such host during this period of time.
cessful attempt to determine the name of the application host, no re-
peated attempts will be made to connect to such host or to determine
the name o such host during this period of time.
• Specify timeouts for intercepting various network operations (for the
Sender and Receiver modules), such as:
•
Network reading timeout (ReadTimeout option). The default
value specified in the configuration file of the application is the
optimal value for most cases and it is not recommended to alter
it.
optimal value for most cases and it is not recommended to alter
it.
•
Network writing timeout (WriteTimeout option). The default
value specified in the configuration file of the application is the
optimal value for most cases and it is not recommended to alter
it.
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) (Send-
ingRcptTimeout option).
•
Timeout for initiating data transfer (DATA command) (Send-
ingDataInitiationTimeout option, in seconds).
•
Timeout for stopping the data transfer (CRLF.CRLF sequence)
by the remote server (SendingDataTerminationTimeout op-
tion).
tion).
•
Timeout for quitting the current mail session (QUIT command)
(SendingQuitTimeout option).
• Specify timeouts used by the application to receive messages: