Additional and Revised Configuration File
Options in Version 8.13 of sendmail
The following table describes the added and revised configuration
file options. If you declare any of these options, use one of the
O OptionName=argument # for the configuration file
-O OptionName=argument # for the command line
define(`m4Name',argument) # for m4 configuration
Table 3-15 Configuration
File Options Available in Version 8.13 of sendmail
m4 name: –confCONNECTION_RATE_WINDOW_SIZE
Default value: 60
Sets the number of seconds for incoming connections to be maintained.
m4 name: –confFALLBACK_SMARTHOST
To ensure that mail gets delivered to the clients, this option
provides a well-connected host that serves as a backup (or failover)
for MX records that fail.
m4 name: –confINPUT_MAIL_FILTERS
Lists the input mail filters for the sendmail daemon.
m4 name: –confPID_FILE
Default value: /system/volatile/sendmail.pid
As in previous releases, the file name is macro-expanded before
it is opened. Additionally, in version 8.13, the file is unlinked
when sendmail exits.
m4 name: –confQUEUE_SORT_ORDER
Added argument: none
In version 8.13 none is used to specify no
m4 name: –confREJECT_LOG_INTERVAL
Default value: 3h, which represents three
When a daemon connection is refused for the period-of-time specified, the information is logged.
m4 name: –confSAFE_QUEUE
Short name: –s
Added argument: postmilter
Default value: true
If postmilter is set, sendmail defers
synchronizing the queue file until all milters have
signaled acceptance of the message. For this argument to be useful, sendmail must be running as an SMTP server. Otherwise, postmilter operates as if you are using the true argument.