135 lines
5.5 KiB
HTML
135 lines
5.5 KiB
HTML
<html> <head> </head> <body> <pre>
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RELOCATED(5) RELOCATED(5)
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<b>NAME</b>
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relocated - format of Postfix relocated table
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<b>SYNOPSIS</b>
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<b>postmap</b> <b>/etc/postfix/relocated</b>
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<b>DESCRIPTION</b>
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The optional <b>relocated</b> table provides the information that
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is used in "user has moved to <i>new_location</i>" bounce mes-
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sages.
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Normally, the <b>relocated</b> table is specified as a text file
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that serves as input to the <a href="postmap.1.html"><b>postmap</b>(1)</a> command. The
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result, an indexed file in <b>dbm</b> or <b>db</b> format, is used for
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fast searching by the mail system. Execute the command
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<b>postmap</b> <b>/etc/postfix/relocated</b> in order to rebuild the
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indexed file after changing the relocated table.
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When the table is provided via other means such as NIS,
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LDAP or SQL, the same lookups are done as for ordinary
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indexed files.
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Alternatively, the table can be provided as a regular-
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expression map where patterns are given as regular expres-
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sions. In that case, the lookups are done in a slightly
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different way as described below.
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Table lookups are case insensitive.
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<b>TABLE</b> <b>FORMAT</b>
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The format of the table is as follows:
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<b>o</b> An entry has one of the following form:
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<i>key</i> <i>new_location</i>
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Where <i>new_location</i> specifies contact information
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such as an email address, or perhaps a street
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address or telephone number.
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<b>o</b> Empty lines and whitespace-only lines are ignored,
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as are lines whose first non-whitespace character
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is a `#'.
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<b>o</b> A logical line starts with non-whitespace text. A
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line that starts with whitespace continues a logi-
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cal line.
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With lookups from indexed files such as DB or DBM, or from
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networked tables such as NIS, LDAP or SQL, the <i>key</i> field
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is one of the following:
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<i>user</i>@<i>domain</i>
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Matches <i>user</i>@<i>domain</i>. This form has precedence over
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all other forms.
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<i>user</i> Matches <i>user</i>@<i>site</i> when <i>site</i> is $<b>myorigin</b>, when <i>site</i>
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is listed in $<b>mydestination</b>, or when <i>site</i> is listed
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in $<b>inet</b><i>_</i><b>interfaces</b>.
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@<i>domain</i>
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Matches every address in <i>domain</i>. This form has the
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lowest precedence.
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<b>ADDRESS</b> <b>EXTENSION</b>
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When a mail address localpart contains the optional recip-
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ient delimiter (e.g., <i>user+foo</i>@<i>domain</i>), the lookup order
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becomes: <i>user+foo</i>@<i>domain</i>, <i>user</i>@<i>domain</i>, <i>user+foo</i>, <i>user</i>, and
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@<i>domain</i>.
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<b>REGULAR</b> <b>EXPRESSION</b> <b>TABLES</b>
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This section describes how the table lookups change when
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the table is given in the form of regular expressions. For
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a description of regular expression lookup table syntax,
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see <a href="regexp_table.5.html"><b>regexp</b><i>_</i><b>table</b>(5)</a> or <a href="pcre_table.5.html"><b>pcre</b><i>_</i><b>table</b>(5)</a>.
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Each pattern is a regular expression that is applied to
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the entire address being looked up. Thus, <i>user@domain</i> mail
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addresses are not broken up into their <i>user</i> and <i>@domain</i>
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constituent parts, nor is <i>user+foo</i> broken up into <i>user</i> and
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<i>foo</i>.
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Patterns are applied in the order as specified in the
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table, until a pattern is found that matches the search
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string.
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Results are the same as with indexed file lookups, with
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the additional feature that parenthesized substrings from
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the pattern can be interpolated as <b>$1</b>, <b>$2</b> and so on.
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<b>BUGS</b>
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The table format does not understand quoting conventions.
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<b>CONFIGURATION</b> <b>PARAMETERS</b>
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The following <b>main.cf</b> parameters are especially relevant
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to this topic. See the Postfix <b>main.cf</b> file for syntax
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details and for default values. Use the <b>postfix</b> <b>reload</b>
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command after a configuration change.
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<b>relocated</b><i>_</i><b>maps</b>
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List of lookup tables for relocated users or sites.
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Other parameters of interest:
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<b>inet</b><i>_</i><b>interfaces</b>
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The network interface addresses that this system
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receives mail on. You need to stop and start Post-
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fix when this parameter changes.
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<b>mydestination</b>
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List of domains that this mail system considers
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local.
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<b>myorigin</b>
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The domain that is appended to locally-posted mail.
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<b>SEE</b> <b>ALSO</b>
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<a href="postmap.1.html">postmap(1)</a> create lookup table
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<a href="pcre_table.5.html">pcre_table(5)</a> format of PCRE tables
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<a href="regexp_table.5.html">regexp_table(5)</a> format of POSIX regular expression tables
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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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RELOCATED(5)
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</pre> </body> </html>
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