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<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
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<link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<title> Postfix manual - postdrop(1) </title>
</head> <body> <pre>
POSTDROP(1)                                                        POSTDROP(1)

<b>NAME</b>
       postdrop - Postfix mail posting utility

<b>SYNOPSIS</b>
       <b>postdrop</b> [<b>-rv</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>]

<b>DESCRIPTION</b>
       The  <a href="postdrop.1.html"><b>postdrop</b>(1)</a>  command  creates a file in the <b>maildrop</b> directory and
       copies its standard input to the file.

       Options:

       <b>-c</b> <i>config</i><b>_</b><i>dir</i>
              The <a href="postconf.5.html"><b>main.cf</b></a> configuration file is in the named directory instead
              of the default configuration directory. See also the MAIL_CONFIG
              environment setting below.

       <b>-r</b>     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.

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

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

<b>DIAGNOSTICS</b>
       Fatal errors: malformed input, I/O error, out of memory.  Problems  are
       logged  to  <b>syslogd</b>(8) or <a href="postlogd.8.html"><b>postlogd</b>(8)</a> 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.

<b>ENVIRONMENT</b>
       MAIL_CONFIG
              Directory  with the <a href="postconf.5.html"><b>main.cf</b></a> file. In order to avoid exploitation
              of set-group ID privileges, a non-standard directory is  allowed
              only if:

              <b>o</b>      The  name is listed in the standard <a href="postconf.5.html"><b>main.cf</b></a> file with the
                     <b><a href="postconf.5.html#alternate_config_directories">alternate_config_directories</a></b> configuration parameter.

              <b>o</b>      The command is invoked by the super-user.

<b>CONFIGURATION PARAMETERS</b>
       The following <a href="postconf.5.html"><b>main.cf</b></a> parameters are especially relevant to  this  pro-
       gram.   The  text  below  provides  only a parameter summary. See <a href="postconf.5.html"><b>post-</b></a>
       <a href="postconf.5.html"><b>conf</b>(5)</a> for more details including examples.

       <b><a href="postconf.5.html#alternate_config_directories">alternate_config_directories</a> (empty)</b>
              A list of non-default Postfix configuration directories that may
              be  specified with "-c <a href="postconf.5.html#config_directory">config_directory</a>" on the command line (in
              the case of <a href="sendmail.1.html"><b>sendmail</b>(1)</a>, with  the  "-C"  option),  or  via  the
              MAIL_CONFIG environment parameter.

       <b><a href="postconf.5.html#config_directory">config_directory</a> (see 'postconf -d' output)</b>
              The  default  location of the Postfix <a href="postconf.5.html">main.cf</a> and <a href="master.5.html">master.cf</a> con-
              figuration files.

       <b><a href="postconf.5.html#import_environment">import_environment</a> (see 'postconf -d' output)</b>
              The list of environment  variables  that  a  privileged  Postfix
              process  will  import  from  a  non-Postfix  parent  process, or
              name=value environment overrides.

       <b><a href="postconf.5.html#queue_directory">queue_directory</a> (see 'postconf -d' output)</b>
              The location of the Postfix top-level queue directory.

       <b><a href="postconf.5.html#syslog_facility">syslog_facility</a> (mail)</b>
              The syslog facility of Postfix logging.

       <b><a href="postconf.5.html#syslog_name">syslog_name</a> (see 'postconf -d' output)</b>
              A prefix that  is  prepended  to  the  process  name  in  syslog
              records, so that, for example, "smtpd" becomes "prefix/smtpd".

       <b><a href="postconf.5.html#trigger_timeout">trigger_timeout</a> (10s)</b>
              The  time  limit  for sending a trigger to a Postfix daemon (for
              example, the <a href="pickup.8.html"><b>pickup</b>(8)</a> or <a href="qmgr.8.html"><b>qmgr</b>(8)</a> daemon).

       Available in Postfix version 2.2 and later:

       <b><a href="postconf.5.html#authorized_submit_users">authorized_submit_users</a> (<a href="DATABASE_README.html#types">static</a>:anyone)</b>
              List of users who are authorized to submit mail with  the  <a href="sendmail.1.html"><b>send-</b></a>
              <a href="sendmail.1.html"><b>mail</b>(1)</a> command (and with the privileged <a href="postdrop.1.html"><b>postdrop</b>(1)</a> helper com-
              mand).

       Available in Postfix version 3.6 and later:

       <b><a href="postconf.5.html#local_login_sender_maps">local_login_sender_maps</a> (<a href="DATABASE_README.html#types">static</a>:*)</b>
              A list of lookup tables that are  searched  by  the  UNIX  login
              name, and that return a list of allowed envelope sender patterns
              separated by space or comma.

       <b><a href="postconf.5.html#empty_address_local_login_sender_maps_lookup_key">empty_address_local_login_sender_maps_lookup_key</a> (</b>&lt;&gt;<b>)</b>
              The lookup key to be  used  in  <a href="postconf.5.html#local_login_sender_maps">local_login_sender_maps</a>  tables,
              instead of the null sender address.

       <b><a href="postconf.5.html#recipient_delimiter">recipient_delimiter</a> (empty)</b>
              The  set of characters that can separate an email address local-
              part, user name, or a .forward file name from its extension.

<b>FILES</b>
       /var/spool/postfix/<a href="QSHAPE_README.html#maildrop_queue">maildrop</a>, <a href="QSHAPE_README.html#maildrop_queue">maildrop queue</a>

<b>SEE ALSO</b>
       <a href="sendmail.1.html">sendmail(1)</a>, compatibility interface
       <a href="postconf.5.html">postconf(5)</a>, configuration parameters
       <a href="postlogd.8.html">postlogd(8)</a>, Postfix logging
       syslogd(8), system logging

<b>LICENSE</b>
       The Secure Mailer license must be distributed with this software.

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

       Wietse Venema
       Google, Inc.
       111 8th Avenue
       New York, NY 10011, USA

                                                                   POSTDROP(1)
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