9.88 on page 1070):
This is the Title of the Book, eMatter Edition
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11.1 Overview of the Queue | 395
OQ/var/spool/mqueue ?†? pre-V8.7 form
O QueueDirectory=/var/spool/mqueue ?†? beginning with V8.7
O QueueDirectory=/var/queues/q.* ?†? V8.10 multiple directories
If the QueueDirectory option is missing, the name defaults to mqueue. The location
should never be relative (as mqueue). When it is wrongly specified as a relative path
name, it is taken as relative to the location where sendmail is run. Because the sendmail
daemon is typically started from an rc file at boot time, suchrelative locations
are usually relative to the root (/) directory.*
After sendmail has processed its configuration file, it does a chdir(2) into its base
queue directory and does all the rest of its work from there. In the first two lines of
the previous example, the base queue directory is /var/spool/mqueue. In the last line,
the base queue directory is /var/queues. This change into the base queue directory
has three side effects:
??? Should the sendmail program fault and produce a core dump, the core image is
left in the base queue directory.
??? Any relative pathnames that are given to options in the configuration file are
interpreted as relative to the base queue directory. (This is not true for the F configuration
command, ?§22.
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