6f59dc7aeb
(Postfix releases are now numbered -- 1.1.2 means 1.1, patchlevel 2.) Lots of new features, same great security.
138 lines
4.1 KiB
Groff
138 lines
4.1 KiB
Groff
.TH RELOCATED 5
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.ad
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.fi
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.SH NAME
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relocated
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\-
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format of Postfix relocated table
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.SH SYNOPSIS
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.nf
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\fBpostmap /etc/postfix/relocated\fR
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.SH DESCRIPTION
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.ad
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.fi
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The optional \fBrelocated\fR table provides the information that is
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used in "user has moved to \fInew_location\fR" bounce messages.
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Normally, the \fBrelocated\fR table is specified as a text file
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that serves as input to the \fBpostmap\fR(1) command.
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The result, an indexed file in \fBdbm\fR or \fBdb\fR format,
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is used for fast searching by the mail system. Execute the command
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\fBpostmap /etc/postfix/relocated\fR in order to rebuild the indexed
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file after changing the relocated table.
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When the table is provided via other means such as NIS, LDAP
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or SQL, the same lookups are done as for ordinary indexed files.
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Alternatively, the table can be provided as a regular-expression
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map where patterns are given as regular expressions. In that case,
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the lookups are done in a slightly different way as described below.
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Table lookups are case insensitive.
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.SH TABLE FORMAT
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.nf
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.ad
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.fi
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The format of the table is as follows:
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.IP \(bu
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An entry has one of the following form:
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.ti +5
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\fIkey new_location\fR
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.br
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Where \fInew_location\fR specifies contact information such as
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an email address, or perhaps a street address or telephone number.
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.IP \(bu
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Empty lines and whitespace-only lines are ignored, as
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are lines whose first non-whitespace character is a `#'.
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.IP \(bu
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A logical line starts with non-whitespace text. A line that
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starts with whitespace continues a logical line.
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.PP
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With lookups from indexed files such as DB or DBM, or from networked
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tables such as NIS, LDAP or SQL, the \fIkey\fR field is one of the
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following:
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.IP \fIuser\fR@\fIdomain\fR
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Matches \fIuser\fR@\fIdomain\fR. This form has precedence over all
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other forms.
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.IP \fIuser\fR
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Matches \fIuser\fR@\fIsite\fR when \fIsite\fR is $\fBmyorigin\fR,
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when \fIsite\fR is listed in $\fBmydestination\fR, or when \fIsite\fR
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is listed in $\fBinet_interfaces\fR.
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.IP @\fIdomain\fR
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Matches every address in \fIdomain\fR. This form has the lowest
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precedence.
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.SH ADDRESS EXTENSION
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.na
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.nf
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.fi
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.ad
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When a mail address localpart contains the optional recipient delimiter
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(e.g., \fIuser+foo\fR@\fIdomain\fR), the lookup order becomes:
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\fIuser+foo\fR@\fIdomain\fR, \fIuser\fR@\fIdomain\fR, \fIuser+foo\fR,
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\fIuser\fR, and @\fIdomain\fR.
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.SH REGULAR EXPRESSION TABLES
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.nf
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.ad
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.fi
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This section describes how the table lookups change when the table
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is given in the form of regular expressions. For a description of
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regular expression lookup table syntax, see \fBregexp_table\fR(5)
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or \fBpcre_table\fR(5).
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Each pattern is a regular expression that is applied to the entire
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address being looked up. Thus, \fIuser@domain\fR mail addresses are not
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broken up into their \fIuser\fR and \fI@domain\fR constituent parts,
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nor is \fIuser+foo\fR broken up into \fIuser\fR and \fIfoo\fR.
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Patterns are applied in the order as specified in the table, until a
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pattern is found that matches the search 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 the
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pattern can be interpolated as \fB$1\fR, \fB$2\fR and so on.
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.SH BUGS
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.ad
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.fi
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The table format does not understand quoting conventions.
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.SH CONFIGURATION PARAMETERS
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.nf
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.ad
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.fi
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The following \fBmain.cf\fR parameters are especially relevant to
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this topic. 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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.IP \fBrelocated_maps\fR
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List of lookup tables for relocated users or sites.
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.PP
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Other parameters of interest:
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.IP \fBinet_interfaces\fR
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The network interface addresses that this system receives mail on.
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.IP \fBmydestination\fR
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List of domains that this mail system considers local.
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.IP \fBmyorigin\fR
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The domain that is appended to locally-posted mail.
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.SH SEE ALSO
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.nf
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postmap(1) create lookup table
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pcre_table(5) format of PCRE tables
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regexp_table(5) format of POSIX regular expression tables
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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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.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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