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       mailbot - A MIME-aware autoresponder utility


       mailbot [options] {program} [arg...]

       In .mailfilter:

           if (/^Subject: *info/)
                cc "| mailbot -t /usr/share/autoresponse/info -d autoresponsedb \
                       -A ´From:´ /usr/bin/sendmail -f ´´"


       mailbot reads an E-mail message on standard input and creates an E-mail
       message replying to the original message´s sender. A program is
       specified as an argument to mailbot after all of mailbot options.
       program is expected to read the created autoreply on its standard
       input, and mail it. If program is not specified, mailbot runs ´sendmail
       -f ""´.

       mailbot has several options for suppressing duplicate autoresponse
       messages. If mailbot chooses not to send an autoresponse, it quietly
       terminates without running program. The autoresponse is optionally
       formatted as a MIME delivery status notification.

       The text of the autoresponse is specified by the -t or the -m argument.
       Either one is required. Everything else is optional. The default
       behavior is to send an autoresponse unless the original message has the
       "Precedence: junk" or the "Precedence: bulk" header, or the
       "Precedence: list" header, or the "List-ID:" header, or if its MIME
       content type is "multipart/report" (this is the MIME content type for
       delivery status notifications). The -M option formats the the
       autoresponse itself as a MIME delivery status notification.


           Address the autoresponse to address, which must be an RFC 2822[1]
           address. By default mailbot takes the autoresponse address from the
           From: (or the Reply-To:) header in the original message.  -f, if
           present, overrides and explicitly sets the autoresponse address.
           "address" must immediately follow the -f option without an
           intervening space (it´s a single command line argument). An -f
           option without an address takes the address from the SENDER
           environment variable.

       -t filename
           Read text autoresponse from filename, which should contain a plain
           text message.

       -c charset
           Set the autoresponse´s MIME character set to charset. Run mailbot
           without any arguments to see the default character set.

       -m filename
           Read a MIME autoresponse from filename. This is similar to the -t
           option, except that filename contains MIME headers, followed by a
           blank line, and the corresponding MIME content. The contents of
           filename are inserted in the autoresponse without further

       -M address
           Format the autoresponse as a delivery status notification (RFC
           1894[2]).  address is an RFC 2822[1] E-mail address that generates
           the DSN. Note that the -A option should be used in ddition to -M in
           order to set the From: header on the autoresponse.

       -r addrlist

           addrlist is a comma-separated list of RFC 2822[1] E-mail addresses.
           mailbot sends an autoresponse only if the original message has at
           least one of the specified addresses in any To: or Cc: header.

       -d filename
           Create a small database, filename, that keeps track of sender´s
           E-mail addresses, and prevent duplicate autoresponses going to the
           same address (suppress autoresponses going back to the same
           senders, for subsequent received messages). The -d option is only
           available if maildrop has GDBM/DB extensions enabled.

       -D x
           Do not send duplicate autoresponses (see the -d option) for at
           least x days (default: 1 day). The -d option creates a database of
           E-mail addresses and the times an autoresponse was last mailed to
           them. Another autoresponse to the same address will not be mailed
           until at least the amount of time specified by the -D option has

       -s "subject"
           Set the Subject: header on the autoresponse to subject.

       -A "header: value"
           Add an arbitrary header to the autoresponse. Multiple -A options
           are allowed.


       maildrop(1)[3], reformail(1)[4], reformime(1)[5].


        1. RFC 2822

        2. RFC 1894

        3. maildrop(1)

        4. reformail(1)

        5. reformime(1)