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<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
        "http://www.w3.org/TR/html4/loose.dtd">
<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
<title> Postfix manual - pickup(8) </title>
</head> <body> <pre>
PICKUP(8)                                                            PICKUP(8)

<b>NAME</b>
       pickup - Postfix local mail pickup

<b>SYNOPSIS</b>
       <b>pickup</b> [generic Postfix daemon options]

<b>DESCRIPTION</b>
       The  <a href="pickup.8.html"><b>pickup</b>(8)</a>  daemon  waits  for hints that new mail has
       been dropped into the <b>maildrop</b>  directory,  and  feeds  it
       into  the  <a href="cleanup.8.html"><b>cleanup</b>(8)</a>  daemon.   Ill-formatted  files  are
       deleted without notifying the  originator.   This  program
       expects to be run from the <a href="master.8.html"><b>master</b>(8)</a> process manager.

<b>STANDARDS</b>
       None. The <a href="pickup.8.html"><b>pickup</b>(8)</a> daemon does not interact with the out-
       side world.

<b>SECURITY</b>
       The <a href="pickup.8.html"><b>pickup</b>(8)</a> daemon is moderately security sensitive.  It
       runs  with  fixed  low privilege and can run in a chrooted
       environment.  However, the program reads files from poten-
       tially hostile users.  The <a href="pickup.8.html"><b>pickup</b>(8)</a> daemon opens no files
       for writing, is careful about  what  files  it  opens  for
       reading, and does not actually touch any data that is sent
       to its public service endpoint.

<b>DIAGNOSTICS</b>
       Problems and transactions are logged to <b>syslogd</b>(8).

<b>BUGS</b>
       The  <a href="pickup.8.html"><b>pickup</b>(8)</a>  daemon  copies  mail  from  file  to   the
       <a href="cleanup.8.html"><b>cleanup</b>(8)</a>  daemon.   It could avoid message copying over-
       head by sending a file descriptor instead  of  file  data,
       but  then the already complex <a href="cleanup.8.html"><b>cleanup</b>(8)</a> daemon would have
       to deal with unfiltered user data.

<b>CONFIGURATION PARAMETERS</b>
       As the  <a href="pickup.8.html"><b>pickup</b>(8)</a>  daemon  is  a  relatively  long-running
       process,  up  to  an hour may pass before a <a href="postconf.5.html"><b>main.cf</b></a> change
       takes effect.  Use the command "<b>postfix reload</b>" command to
       speed up a change.

       The  text  below  provides  only  a parameter summary. See
       <a href="postconf.5.html"><b>postconf</b>(5)</a> for more details including examples.

<b>CONTENT INSPECTION CONTROLS</b>
       <b><a href="postconf.5.html#content_filter">content_filter</a> (empty)</b>
              After the message is queued, send the  entire  mes-
              sage to the specified <i>transport:destination</i>.

       <b><a href="postconf.5.html#receive_override_options">receive_override_options</a> (empty)</b>
              Enable  or  disable  recipient validation, built-in
              content filtering, or address mapping.

<b>MISCELLANEOUS CONTROLS</b>
       <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> configuration files.

       <b><a href="postconf.5.html#ipc_timeout">ipc_timeout</a> (3600s)</b>
              The time limit for sending or receiving information
              over an internal communication channel.

       <b><a href="postconf.5.html#line_length_limit">line_length_limit</a> (2048)</b>
              Upon input, long lines are chopped up  into  pieces
              of  at  most this length; upon delivery, long lines
              are reconstructed.

       <b><a href="postconf.5.html#max_idle">max_idle</a> (100s)</b>
              The maximum amount of time  that  an  idle  Postfix
              daemon  process  waits  for  an incoming connection
              before terminating voluntarily.

       <b><a href="postconf.5.html#max_use">max_use</a> (100)</b>
              The maximal number of incoming connections  that  a
              Postfix  daemon  process will service before termi-
              nating voluntarily.

       <b><a href="postconf.5.html#process_id">process_id</a> (read-only)</b>
              The process ID  of  a  Postfix  command  or  daemon
              process.

       <b><a href="postconf.5.html#process_name">process_name</a> (read-only)</b>
              The  process  name  of  a Postfix command or daemon
              process.

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

       <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>
              The  mail  system  name  that  is  prepended to the
              process name in syslog  records,  so  that  "smtpd"
              becomes, for example, "postfix/smtpd".

<b>SEE ALSO</b>
       <a href="cleanup.8.html">cleanup(8)</a>, message canonicalization
       <a href="sendmail.1.html">sendmail(1)</a>, Sendmail-compatible interface
       <a href="postdrop.1.html">postdrop(1)</a>, mail posting agent
       <a href="postconf.5.html">postconf(5)</a>, configuration parameters
       <a href="master.5.html">master(5)</a>, generic daemon options
       <a href="master.8.html">master(8)</a>, process manager
       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

                                                                     PICKUP(8)
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