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Man Pages


Manual Reference Pages  -  NISPLUS_TABLE (5)

NAME

nisplus_table - Postfix NIS+ client

CONTENTS

Description

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

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