5 on page 419):
Losing qf file: bogus queue file directory
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11.12 The qf File Internals | 449
11.12.5 D line
Datafile name Obsolete as of V8.7
Beginning withV8.7, sendmail looks for its datafile (the file containing the message body)
under the same name as its qf file, but withth e q changed into a d. Prior to V8.7, the D line
in the qf file contained the name of the file that contained the message body. If the D line
was missing, there was no message body. The form of the qf file D line was:
Dfile
The D must begin the line. The file must immediately follow withno intervening space. All
text, from the first character following the D to the end of the line, is taken as the name of the
file. There is no default for file; either it must be present, or the entire D line must be absent.
The sendmail program opens the df file for reading. If that open fails, sendmail syslog(3)s
the following error message at LOG_CRIT and continues to process the qf file:
readqf: cannot open dfAA12345
Be aware that sendmail attempts to remove the file after it has been delivered to all recipients.
If sendmail is unable to remove the file, and if the LogLevel option (?§24.9.61 on page
1040) is greater than 97, sendmail syslog(3)s the following warning at LOG_DEBUG:
file: unlink-fail #
The file is the name of the file that could not be removed.
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