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MAILER.CONF(5)              BSD File Formats Manual             MAILER.CONF(5)

     mailer.conf -- configuration file for mailwrapper(8)

     The file /etc/mailer.conf contains a series of pairs.  The first member
     of each pair is the name of a program invoking mailwrapper(8) which is
     typically a symbolic link to /usr/sbin/sendmail.  (On a typical system,
     newaliases(8) and mailq(8) would be set up this way.)  The second member
     of each pair is the name of the program to actually execute when the
     first name is invoked.  The file may also contain comments, denoted by a
     '#' character in the first column of any line.


     The following is an example of how to set up mailer.conf for the default
     smtpd(8) MTA suite .

     # Emulate sendmail using smtpd
     sendmail        /usr/sbin/smtpctl
     send-mail       /usr/sbin/smtpctl
     mailq           /usr/sbin/smtpctl
     makemap         /usr/libexec/smtpd/makemap
     newaliases      /usr/libexec/smtpd/makemap

     This example shows how to invoke the traditional sendmail(8) MTA suite in
     place of smtpd(8).

     # Execute the "real" sendmail program, named /usr/libexec/sendmail/sendmail
     sendmail        /usr/libexec/sendmail/sendmail
     send-mail       /usr/libexec/sendmail/sendmail
     mailq           /usr/libexec/sendmail/sendmail
     makemap         /usr/libexec/sendmail/makemap
     newaliases      /usr/libexec/sendmail/sendmail
     hoststat        /usr/libexec/sendmail/sendmail
     purgestat       /usr/libexec/sendmail/sendmail

     mail(1), mailq(8), mailwrapper(8), newaliases(8), smtpd(8)

     Perry E. Metzger <perry@piermont.com>

     The entire reason this program exists is a crock.  Instead, a command for
     how to submit mail should be standardized, and all the "behave differ-
     ently if invoked with a different name" behavior of things like mailq(8)
     should go away.

BSD                           September 16, 2014                           BSD