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NISPLUS_TABLE(5)              File Formats Manual             NISPLUS_TABLE(5)




NAME
       nisplus_table - Postfix NIS+ client

SYNOPSIS
       postmap -q "string" "nisplus:[name=%s];name.name."

       postmap -q - "nisplus:[name=%s];name.name." <inputfile

DESCRIPTION
       The Postfix mail system uses optional lookup tables.  These tables are
       usually in dbm or db format.  Alternatively, lookup tables can be
       specified as NIS+ databases.

       To find out what types of lookup tables your Postfix system supports
       use the "postconf -m" command.

       To test Postfix NIS+ lookup tables, use the "postmap -q" command as
       described in the SYNOPSIS above.

QUERY SYNTAX
       Most of the NIS+ query is specified via the NIS+ map name. The general
       format of a Postfix NIS+ map name is as follows:

           nisplus:[name=%s];name.name.name.:column

       Postfix NIS+ map names differ from what one normally would use with
       commands such as niscat:

       o      With each NIS+ table lookup, "%s" is replaced by a version of
              the lookup string.  There can be only one "%s" instance in a
              Postfix NIS+ map name.

       o      Postfix NIS+ map names use ";" instead of ",", because the
              latter character is special in the Postfix main.cf file.
              Postfix replaces ";" characters in the map name by "," before
              making NIS+ queries.

       o      The ":column" part in the NIS+ map name is not part of the
              actual NIS+ query. Instead, it specifies the number of the table
              column that provides the lookup result. When no ":column" is
              specified the first column (1) is used.

EXAMPLE
       A NIS+ aliases map might be queried as follows:

           alias_maps = dbm:/etc/mail/aliases,
               nisplus:[alias=%s];mail_aliases.org_dir.$mydomain.:1

       This queries the local aliases file before the NIS+ file.

SEE ALSO
       postmap(1), Postfix lookup table manager

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

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

AUTHOR(S)
       Geoff Gibbs
       UK-HGMP-RC
       Hinxton
       Cambridge
       CB10 1SB, UK

       Adopted and adapted by:
       Wietse Venema
       IBM T.J. Watson Research
       P.O. Box 704
       Yorktown Heights, NY 10598, USA



                                                              NISPLUS_TABLE(5)