SENDMAIL(8)                 System Manager's Manual                SENDMAIL(8)


     sendmail - a mail enqueuer for smtpd(8)


     sendmail [-tv] [-F name] [-f from] to ...


     The sendmail utility is a local enqueuer for the smtpd(8) daemon,
     compatible with mailwrapper(8).  The message is read on standard input
     (stdin) until sendmail encounters an end-of-file.  The sendmail enqueuer
     is not intended to be used directly to send mail, but rather via a
     frontend known as a mail user agent.

     Unless the optional -t flag is specified, one or more recipients must be
     specified on the command line.

     The options are as follows:

     -F name
             Set the sender's full name.

     -f from
             Set the sender's address.

     -t      Read the message's To:, Cc:, and Bcc: fields for recipients.  The
             Bcc: field will be deleted before sending.

     -v      Enable verbose output.

     To maintain compatibility with Sendmail, Inc.'s implementation of
     sendmail, various other flags are accepted, but have no effect.


     The sendmail utility exits 0 on success, and >0 if an error occurs.


     smtpctl(8), smtpd(8)


     OpenSMTPD is primarily developed by Gilles Chehade, Eric Faurot, and
     Charles Longeau, with contributions from various OpenBSD hackers.  It is
     distributed under the ISC license.

     This manpage was written by Ryan Kavanagh <> for the Debian
     project and is distributed under the ISC license.

OpenBSD 6.4                    October 23, 2015                    OpenBSD 6.4

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