7.40 on page 247).
The $n macro must contain either a real user??™s name or a name that resolves to a real user
through aliasing. If sendmail cannot resolve $n to a real user, the following message is
logged:
Can't parse myself!
and the returned error mail message is saved in the file defined by the DeadLetterDrop
option (?§24.9.29 on page 998) if that option is defined. Otherwise, sendmail converts the qf
file into a Qf file (?§11.5 on page 419).
When an error mail message is sent, $f (?§21.9.45 on page 824) is given the value of $n.
Prior to V8.7, $n must be defined in the configuration file. Beginning with V8.7 sendmail, $n
is automatically defined as MAILER-DAEMON when sendmail first starts up.
Beginning withV8.7 sendmail, you can redefine $n in your mc configuration file witha line
such as this:
define(`confMAILER_NAME??, `BOUNCER??)
But be aware that many software programs view the name MAILER-DAEMON as special.
By changing that name, you might break the way bounces are handled on your, or other,
machines.
Because $n generally does not change once it is defined, you need not prefix it with $& when
using it in rules.
This is the Title of the Book, eMatter Edition
Copyright ?© 2007 O??™Reilly & Associates, Inc. All rights reserved.
21.9 Alphabetized sendmail Macros | 837
21.9.73 ${nbadrcpts}
Number of bad envelope recipients V8.
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