201 lines
5.3 KiB
HTML
201 lines
5.3 KiB
HTML
<html> <head> </head> <body> <pre>
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POSTMAP(1) POSTMAP(1)
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<b>NAME</b>
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postmap - Postfix lookup table management
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<b>SYNOPSIS</b>
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<b>postmap</b> [<b>-Ninvw</b>] [<b>-c</b> <i>config_dir</i>] [<b>-q</b> <i>key</i>]
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[<i>file_type</i>:]<i>file_name</i> ...
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<b>DESCRIPTION</b>
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The <b>postmap</b> command creates or queries one or more Postfix
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lookup tables, or updates an existing one. The input and
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output file formats are expected to be compatible with:
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<b>makemap</b> <i>file_type</i> <i>file_name</i> < <i>file_name</i>
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While the table update is in progress, signal delivery is
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postponed, and an exclusive, advisory, lock is placed on
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the entire table, in order to avoid surprises in spectator
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programs.
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The format of a lookup table input file is as follows:
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<b>o</b> Blank lines are ignored. So are lines beginning
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with `#'.
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<b>o</b> A table entry has the form
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<i>key</i> whitespace <i>value</i>
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<b>o</b> A line that starts with whitespace continues the
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preceding line.
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The <i>key</i> and <i>value</i> are processed as is, except that sur-
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rounding white space is stripped off. Unlike with Postfix
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alias databases, quotes cannot be used to protect lookup
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keys that contain special characters such as `#' or
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whitespace. The <i>key</i> is mapped to lowercase to make mapping
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lookups case insensitive.
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Options:
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<b>-N</b> Include the terminating null character that termi-
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nates lookup keys and values. By default, Postfix
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does whatever is the default for the host operating
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system.
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<b>-c</b> <i>config_dir</i>
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Read the <b>main.cf</b> configuration file in the named
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directory.
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<b>-i</b> Incremental mode. Read entries from standard input
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and do not truncate an existing database. By
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default, <b>postmap</b> creates a new database from the
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entries in <b>file</b><i>_</i><b>name</b>.
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1
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POSTMAP(1) POSTMAP(1)
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<b>-n</b> Don't include the terminating null character that
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terminates lookup keys and values. By default,
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Postfix does whatever is the default for the host
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operating system.
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<b>-q</b> <i>key</i> Search the specified maps for <i>key</i> and print the
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first value found on the standard output stream.
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The exit status is non-zero if the requested infor-
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mation was not found.
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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>-w</b> Do not warn about duplicate entries; silently
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ignore them.
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Arguments:
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<i>file_type</i>
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The type of database to be produced.
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<b>btree</b> The output file is a btree file, named
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<i>file_name</i><b>.db</b>. This is available only on
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systems with support for <b>db</b> databases.
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<b>dbm</b> The output consists of two files, named
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<i>file_name</i><b>.pag</b> and <i>file_name</i><b>.dir</b>. This is
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available only on systems with support for
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<b>dbm</b> databases.
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<b>hash</b> The output file is a hashed file, named
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<i>file_name</i><b>.db</b>. This is available only on
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systems with support for <b>db</b> databases.
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When no <i>file_type</i> is specified, the software uses
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the database type specified via the <b>database</b><i>_</i><b>type</b>
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configuration parameter.
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<i>file_name</i>
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The name of the lookup table source file when
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rebuilding a database.
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<b>DIAGNOSTICS</b>
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Problems and transactions are logged to the standard error
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stream. No output means no problems. Duplicate entries are
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skipped and are flagged with a warning.
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<b>ENVIRONMENT</b>
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<b>MAIL</b><i>_</i><b>CONFIG</b>
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Directory with Postfix configuration files.
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<b>MAIL</b><i>_</i><b>VERBOSE</b>
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Enable verbose logging for debugging purposes.
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2
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POSTMAP(1) POSTMAP(1)
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<b>CONFIGURATION</b> <b>PARAMETERS</b>
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<b>database</b><i>_</i><b>type</b>
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Default output database type. On many UNIX sys-
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tems, the default database type is either <b>hash</b> or
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<b>dbm</b>.
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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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</pre> </body> </html>
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