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- Improved before-queue content filter performance. With "smtpd_proxy_options = speed_adjust", the Postfix SMTP server receives the entire message before it connects to a before-queue content filter. Typically, this allows Postfix to handle the same mail load with fewer content filter processes. - Improved address verification performance. The verify database is now persistent by default, and it is automatically cleaned periodically. Under overload conditions, the Postfix SMTP server no longer waits up to 6 seconds for an address probe to complete. - Support for reputation management based on the local SMTP client IP address. This is typically implemented with "FILTER transportname:" actions in access maps or header/body checks, and mail delivery transports in master.cf with unique smtp_bind_address values.
101 lines
3.9 KiB
HTML
101 lines
3.9 KiB
HTML
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
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"http://www.w3.org/TR/html4/loose.dtd">
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<html> <head>
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<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
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<title> Postfix manual - postcat(1) </title>
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</head> <body> <pre>
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POSTCAT(1) POSTCAT(1)
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<b>NAME</b>
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postcat - show Postfix queue file contents
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<b>SYNOPSIS</b>
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<b>postcat</b> [<b>-bdehnoqv</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] [<i>files</i>...]
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<b>DESCRIPTION</b>
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The <a href="postcat.1.html"><b>postcat</b>(1)</a> command prints the contents of the named
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<i>files</i> in human-readable form. The files are expected to be
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in Postfix queue file format. If no <i>files</i> are specified on
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the command line, the program reads from standard input.
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By default, <a href="postcat.1.html"><b>postcat</b>(1)</a> shows the envelope and message con-
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tent, as if the options <b>-beh</b> were specified. To view mes-
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sage content only, specify <b>-bh</b> (Postfix 2.7 and later).
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Options:
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<b>-b</b> Show body content. The <b>-b</b> option starts producing
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output at the first non-header line, and stops when
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the end of the message is reached.
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This feature is available in Postfix 2.7 and later.
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<b>-c</b> <i>config</i><b>_</b><i>dir</i>
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The <a href="postconf.5.html"><b>main.cf</b></a> configuration file is in the named
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directory instead of the default configuration
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directory.
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<b>-d</b> Print the decimal type of each record.
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<b>-e</b> Show message envelope content.
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This feature is available in Postfix 2.7 and later.
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<b>-h</b> Show message header content. The <b>-h</b> option pro-
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duces output from the beginning of the message up
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to, but not including, the first non-header line.
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This feature is available in Postfix 2.7 and later.
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<b>-o</b> Print the queue file offset of each record.
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<b>-q</b> Search the Postfix queue for the named <i>files</i>
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instead of taking the names literally.
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This feature is available in Postfix 2.0 and later.
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<b>-v</b> Enable verbose logging for debugging purposes. Mul-
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tiple <b>-v</b> options make the software increasingly
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verbose.
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<b>DIAGNOSTICS</b>
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Problems are reported to the standard error stream.
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<b>ENVIRONMENT</b>
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<b>MAIL_CONFIG</b>
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Directory with Postfix configuration files.
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<b>CONFIGURATION PARAMETERS</b>
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The following <a href="postconf.5.html"><b>main.cf</b></a> parameters are especially relevant
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to this program.
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The text below provides only a parameter summary. See
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<a href="postconf.5.html"><b>postconf</b>(5)</a> for more details including examples.
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<b><a href="postconf.5.html#config_directory">config_directory</a> (see 'postconf -d' output)</b>
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The default location of the Postfix <a href="postconf.5.html">main.cf</a> and
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<a href="master.5.html">master.cf</a> configuration files.
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<b><a href="postconf.5.html#queue_directory">queue_directory</a> (see 'postconf -d' output)</b>
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The location of the Postfix top-level queue direc-
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tory.
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<b>FILES</b>
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/var/spool/postfix, Postfix queue directory
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<b>SEE ALSO</b>
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<a href="postconf.5.html">postconf(5)</a>, Postfix configuration
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<b>LICENSE</b>
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The Secure Mailer license must be distributed with this
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software.
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<b>AUTHOR(S)</b>
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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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POSTCAT(1)
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</pre> </body> </html>
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