94 lines
2.5 KiB
Groff
94 lines
2.5 KiB
Groff
.TH PICKUP 8
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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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\fBpickup\fR [generic Postfix daemon options]
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.SH DESCRIPTION
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The \fBpickup\fR 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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None. The \fBpickup\fR daemon does not interact with the outside world.
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.SH SECURITY
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The \fBpickup\fR daemon runs with superuser privileges so that it
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1) can open a queue file with the rights of the submitting user
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and 2) can access the Postfix private IPC channels.
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On the positive side, the program can run chrooted, opens no files
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for writing, is careful about what files it opens for reading, and
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does not actually touch any data that is sent to its public service
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endpoint.
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.SH DIAGNOSTICS
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Problems and transactions are logged to \fBsyslogd\fR(8).
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.SH BUGS
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The \fBpickup\fR 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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The following \fBmain.cf\fR parameters are especially relevant to
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this program. See the Postfix \fBmain.cf\fR file for syntax details
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and for default values. Use the \fBpostfix reload\fR command after
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a configuration change.
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.SH "Content inspection controls"
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.IP \fBcontent_filter\fR
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The name of a mail delivery transport that filters mail and that
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either bounces mail or re-injects the result back into Postfix.
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This parameter uses the same syntax as the right-hand side of
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a Postfix transport table.
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.SH Miscellaneous
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.IP \fBalways_bcc\fR
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Address to send a copy of each message that enters the system.
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.IP \fBmail_owner\fR
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The process privileges used while not opening a \fBmaildrop\fR file.
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.IP \fBqueue_directory\fR
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Top-level directory of the Postfix queue.
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.SH SEE ALSO
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cleanup(8) message canonicalization
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master(8) process manager
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sendmail(1), postdrop(8) mail posting agent
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syslogd(8) system logging
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.SH LICENSE
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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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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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