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NISPLUS_TABLE

Section: File Formats (5)
Index Return to Main Contents
 

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:

*
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.
*
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.
*
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

Wietse Venema
Google, Inc.
111 8th Avenue
New York, NY 10011, USA


 

Index

NAME
SYNOPSIS
DESCRIPTION
QUERY SYNTAX
EXAMPLE
SEE ALSO
README FILES
LICENSE
AUTHOR(S)





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