131 lines
3.9 KiB
Groff
131 lines
3.9 KiB
Groff
.\" $NetBSD: pickup.8,v 1.1.1.8 2005/08/18 21:04:20 rpaulo Exp $
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.\"
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.TH PICKUP 8
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.ad
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.fi
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.SH NAME
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pickup
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\-
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Postfix local mail pickup
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.SH "SYNOPSIS"
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.na
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.nf
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\fBpickup\fR [generic Postfix daemon options]
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.SH DESCRIPTION
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.ad
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.fi
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The \fBpickup\fR(8) daemon waits for hints that new mail has been
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dropped into the \fBmaildrop\fR directory, and feeds it into the
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\fBcleanup\fR(8) daemon.
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Ill-formatted files are deleted without notifying the originator.
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This program expects to be run from the \fBmaster\fR(8) process
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manager.
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.SH "STANDARDS"
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.na
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.nf
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.ad
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.fi
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None. The \fBpickup\fR(8) daemon does not interact with
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the outside world.
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.SH "SECURITY"
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.na
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.nf
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.ad
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.fi
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The \fBpickup\fR(8) daemon is moderately security sensitive. It runs
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with fixed low privilege and can run in a chrooted environment.
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However, the program reads files from potentially hostile users.
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The \fBpickup\fR(8) daemon opens no files for writing, is careful about
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what files it opens for reading, and does not actually touch any data
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that is sent to its public service endpoint.
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.SH DIAGNOSTICS
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.ad
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.fi
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Problems and transactions are logged to \fBsyslogd\fR(8).
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.SH BUGS
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.ad
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.fi
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The \fBpickup\fR(8) daemon copies mail from file to the \fBcleanup\fR(8)
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daemon. It could avoid message copying overhead by sending a file
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descriptor instead of file data, but then the already complex
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\fBcleanup\fR(8) daemon would have to deal with unfiltered user data.
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.SH "CONFIGURATION PARAMETERS"
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.na
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.nf
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.ad
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.fi
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As the \fBpickup\fR(8) daemon is a relatively long-running process, up
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to an hour may pass before a \fBmain.cf\fR change takes effect.
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Use the command "\fBpostfix reload\fR" command to speed up a change.
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The text below provides only a parameter summary. See
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\fBpostconf\fR(5) for more details including examples.
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.SH "CONTENT INSPECTION CONTROLS"
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.na
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.nf
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.ad
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.fi
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.IP "\fBcontent_filter (empty)\fR"
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The name of a mail delivery transport that filters mail after
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it is queued.
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.IP "\fBreceive_override_options (empty)\fR"
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Enable or disable recipient validation, built-in content
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filtering, or address mapping.
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.SH "MISCELLANEOUS CONTROLS"
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.na
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.nf
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.ad
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.fi
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.IP "\fBconfig_directory (see 'postconf -d' output)\fR"
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The default location of the Postfix main.cf and master.cf
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configuration files.
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.IP "\fBdaemon_timeout (18000s)\fR"
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How much time a Postfix daemon process may take to handle a
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request before it is terminated by a built-in watchdog timer.
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.IP "\fBipc_timeout (3600s)\fR"
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The time limit for sending or receiving information over an internal
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communication channel.
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.IP "\fBline_length_limit (2048)\fR"
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Upon input, long lines are chopped up into pieces of at most
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this length; upon delivery, long lines are reconstructed.
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.IP "\fBmax_idle (100s)\fR"
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The maximum amount of time that an idle Postfix daemon process
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waits for the next service request before exiting.
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.IP "\fBmax_use (100)\fR"
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The maximal number of connection requests before a Postfix daemon
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process terminates.
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.IP "\fBprocess_id (read-only)\fR"
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The process ID of a Postfix command or daemon process.
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.IP "\fBprocess_name (read-only)\fR"
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The process name of a Postfix command or daemon process.
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.IP "\fBqueue_directory (see 'postconf -d' output)\fR"
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The location of the Postfix top-level queue directory.
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.IP "\fBsyslog_facility (mail)\fR"
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The syslog facility of Postfix logging.
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.IP "\fBsyslog_name (postfix)\fR"
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The mail system name that is prepended to the process name in syslog
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records, so that "smtpd" becomes, for example, "postfix/smtpd".
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.SH "SEE ALSO"
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.nf
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cleanup(8), message canonicalization
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sendmail(1), Sendmail-compatible interface
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postdrop(1), mail posting agent
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postconf(5), configuration parameters
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master(5), generic daemon options
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master(8), process manager
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syslogd(8), system logging
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.SH "LICENSE"
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.na
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.nf
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.ad
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.fi
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The Secure Mailer license must be distributed with this software.
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.SH "AUTHOR(S)"
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.na
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.nf
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Wietse Venema
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IBM T.J. Watson Research
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P.O. Box 704
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Yorktown Heights, NY 10598, USA
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