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POSTDROP(1)                                                                                      POSTDROP(1)



NAME
       postdrop - Postfix mail posting utility

SYNOPSIS
       postdrop [-rv] [-c config_dir]

DESCRIPTION
       The postdrop(1) command creates a file in the maildrop directory and copies its standard input to the
       file.

       Options:

       -c config_dir
              The main.cf configuration file is in the named directory instead of the default  configuration
              directory. See also the MAIL_CONFIG environment setting below.

       -r     Use a Postfix-internal protocol for reading the message from standard input, and for reporting
              status information on standard output. This is currently the only supported method.

       -v     Enable verbose logging for debugging purposes. Multiple -v options make the software  increas-ingly increasingly
              ingly verbose. As of Postfix 2.3, this option is available for the super-user only.

SECURITY
       The  command  is  designed  to run with set-group ID privileges, so that it can write to the maildrop
       queue directory and so that it can connect to Postfix daemon processes.

DIAGNOSTICS
       Fatal errors: malformed input, I/O error, out of memory. Problems are logged to syslogd(8) and to the
       standard  error  stream.  When the input is incomplete, or when the process receives a HUP, INT, QUIT
       or TERM signal, the queue file is deleted.

ENVIRONMENT
       MAIL_CONFIG
              Directory with the main.cf file. In order to avoid exploitation of set-group ID privileges,  a
              non-standard directory is allowed only if:

              •      The  name  is listed in the standard main.cf file with the alternate_config_directories
                     configuration parameter.

              •      The command is invoked by the super-user.

CONFIGURATION PARAMETERS
       The following main.cf parameters are especially relevant to this program.  The  text  below  provides
       only a parameter summary. See postconf(5) for more details including examples.

       alternate_config_directories (empty)
              A  list  of  non-default Postfix configuration directories that may be specified with "-c con-fig_directory" config_directory"
              fig_directory" on the command line, or via the MAIL_CONFIG environment parameter.

       config_directory (see 'postconf -d' output)
              The default location of the Postfix main.cf and master.cf configuration files.

       import_environment (see 'postconf -d' output)
              The list of environment parameters that a Postfix process will import from a non-Postfix  par-ent parent
              ent process.

       queue_directory (see 'postconf -d' output)
              The location of the Postfix top-level queue directory.

       syslog_facility (mail)
              The syslog facility of Postfix logging.

       syslog_name (see 'postconf -d' output)
              The  mail system name that is prepended to the process name in syslog records, so that "smtpd"
              becomes, for example, "postfix/smtpd".

       trigger_timeout (10s)
              The time limit for sending a trigger to a  Postfix  daemon  (for  example,  the  pickup(8)  or
              qmgr(8) daemon).

       Available in Postfix version 2.2 and later:

       authorized_submit_users (static:anyone)
              List  of  users  who  are authorized to submit mail with the sendmail(1) command (and with the
              privileged postdrop(1) helper command).

FILES
       /var/spool/postfix/maildrop, maildrop queue

SEE ALSO
       sendmail(1), compatibility interface
       postconf(5), configuration parameters
       syslogd(8), system logging

LICENSE
       The Secure Mailer license must be distributed with this software.

AUTHOR(S)
       Wietse Venema
       IBM T.J. Watson Research
       P.O. Box 704
       Yorktown Heights, NY 10598, USA



                                                                                                 POSTDROP(1)