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спецификации, руководства, описания, API
Spec-Zone .ru
спецификации, руководства, описания, API
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RELOCATED(5)                                                                                    RELOCATED(5)



NAME
       relocated - Postfix relocated table format

SYNOPSIS
       postmap /etc/postfix/relocated

DESCRIPTION
       The optional relocated(5) table provides the information that is used in "user has moved to new_loca-tion" new_location"
       tion" bounce messages.

       Normally, the relocated(5) table is specified as a text file that serves as input to  the  postmap(1)
       command.   The  result,  an  indexed file in dbm or db format, is used for fast searching by the mail
       system. Execute the command "postmap /etc/postfix/relocated" to rebuild an indexed file after  chang-ing changing
       ing the corresponding relocated table.

       When the table is provided via other means such as NIS, LDAP or SQL, the same lookups are done as for
       ordinary indexed files.

       Alternatively, the table can be provided as a regular-expression map where patterns are given as reg-ular regular
       ular expressions, or lookups can be directed to TCP-based server. In those case, the lookups are done
       in a slightly different way as described  below  under  "REGULAR  EXPRESSION  TABLES"  or  "TCP-BASED
       TABLES".

       Table lookups are case insensitive.

CASE FOLDING
       The search string is folded to lowercase before database lookup. As of Postfix 2.3, the search string
       is not case folded with database types such as regexp: or pcre: whose lookup fields  can  match  both
       upper and lower case.

TABLE FORMAT
       The input format for the postmap(1) command is as follows:

             An entry has one of the following form:

                   pattern      new_location

              Where new_location specifies contact information such as an email address, or perhaps a street
              address or telephone number.

             Empty lines and whitespace-only lines are ignored, as are  lines  whose  first  non-whitespace
              character is a `#'.

             A logical line starts with non-whitespace text. A line that starts with whitespace continues a
              logical line.

TABLE SEARCH ORDER
       With lookups from indexed files such as DB or DBM, or from networked tables such as NIS, LDAP or SQL,
       patterns are tried in the order as listed below:

       user@domain
              Matches user@domain. This form has precedence over all other forms.

       user   Matches  user@site when site is $myorigin, when site is listed in $mydestination, or when site
              is listed in $inet_interfaces or $proxy_interfaces.

       @domain
              Matches other addresses in domain. This form has the lowest precedence.

ADDRESS EXTENSION
       When a mail address localpart contains the optional recipient delimiter (e.g., user+foo@domain),  the
       lookup order becomes: user+foo@domain, user@domain, user+foo, user, and @domain.

REGULAR EXPRESSION TABLES
       This  section  describes  how the table lookups change when the table is given in the form of regular
       expressions or when lookups are directed to a TCP-based server. For a description of regular  expres-sion expression
       sion  lookup  table  syntax,  see  regexp_table(5)  or  pcre_table(5).  For  a description of the TCP
       client/server table lookup protocol, see tcp_table(5).  This feature  is  not  available  up  to  and
       including Postfix version 2.4.

       Each  pattern  is  a  regular expression that is applied to the entire address being looked up. Thus,
       user@domain mail addresses are not broken up into their user and @domain constituent  parts,  nor  is
       user+foo broken up into user and foo.

       Patterns  are  applied  in the order as specified in the table, until a pattern is found that matches
       the search string.

       Results are the same as with indexed file lookups, with the  additional  feature  that  parenthesized
       substrings from the pattern can be interpolated as $1, $2 and so on.

TCP-BASED TABLES
       This  section describes how the table lookups change when lookups are directed to a TCP-based server.
       For a description of the TCP client/server lookup protocol, see tcp_table(5).  This  feature  is  not
       available up to and including Postfix version 2.4.

       Each  lookup operation uses the entire address once.  Thus, user@domain mail addresses are not broken
       up into their user and @domain constituent parts, nor is user+foo broken up into user and foo.

       Results are the same as with indexed file lookups.

BUGS
       The table format does not understand quoting conventions.

CONFIGURATION PARAMETERS
       The following main.cf parameters are especially relevant.  The text below provides only  a  parameter
       summary. See postconf(5) for more details including examples.

       relocated_maps
              List of lookup tables for relocated users or sites.

       Other parameters of interest:

       inet_interfaces
              The network interface addresses that this system receives mail on.  You need to stop and start
              Postfix when this parameter changes.

       mydestination
              List of domains that this mail system considers local.

       myorigin
              The domain that is appended to locally-posted mail.

       proxy_interfaces
              Other interfaces that this machine receives mail on by way of a proxy agent or network address
              translator.

SEE ALSO
       trivial-rewrite(8), address resolver
       postmap(1), Postfix lookup table manager
       postconf(5), configuration parameters

README FILES
       Use "postconf readme_directory" or "postconf html_directory" to locate this information.
       DATABASE_README, Postfix lookup table overview
       ADDRESS_REWRITING_README, address rewriting guide

LICENSE
       The Secure Mailer license must be distributed with this software.

AUTHOR(S)
       Wietse Venema
       IBM T.J. Watson Research
       P.O. Box 704
       Yorktown Heights, NY 10598, USA



                                                                                                RELOCATED(5)

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