1<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN" 2 "http://www.w3.org/TR/html4/loose.dtd"> 3<html> <head> 4<meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> 5<title> Postfix manual - nisplus_table(5) </title> 6</head> <body> <pre> 7NISPLUS_TABLE(5) NISPLUS_TABLE(5) 8 9<b>NAME</b> 10 nisplus_table - Postfix NIS+ client 11 12<b>SYNOPSIS</b> 13 <b>postmap -q "</b><i>string</i><b>" "<a href="nisplus_table.5.html">nisplus</a>:[</b><i>name</i><b>=%s];</b><i>name.name.</i><b>"</b> 14 15 <b>postmap -q - "<a href="nisplus_table.5.html">nisplus</a>:[</b><i>name</i><b>=%s];</b><i>name.name.</i><b>"</b> <<i>inputfile</i> 16 17<b>DESCRIPTION</b> 18 The Postfix mail system uses optional lookup tables. 19 These tables are usually in <b>dbm</b> or <b>db</b> format. Alterna- 20 tively, lookup tables can be specified as NIS+ databases. 21 22 To find out what types of lookup tables your Postfix sys- 23 tem supports use the "<b>postconf -m</b>" command. 24 25 To test Postfix NIS+ lookup tables, use the "<b>postmap -q</b>" 26 command as described in the SYNOPSIS above. 27 28<b>QUERY SYNTAX</b> 29 Most of the NIS+ query is specified via the NIS+ map name. 30 The general format of a Postfix NIS+ map name is as fol- 31 lows: 32 33 <b><a href="nisplus_table.5.html">nisplus</a>:[</b><i>name</i><b>=%s];</b><i>name.name.name</i><b>.:</b><i>column</i> 34 35 Postfix NIS+ map names differ from what one normally would 36 use with commands such as <b>niscat</b>: 37 38 <b>o</b> With each NIS+ table lookup, "<b>%s</b>" is replaced by a 39 version of the lookup string. There can be only 40 one "<b>%s</b>" instance in a Postfix NIS+ map name. 41 42 <b>o</b> Postfix NIS+ map names use "<b>;</b>" instead of "<b>,</b>", 43 because the latter character is special in the 44 Postfix <a href="postconf.5.html">main.cf</a> file. Postfix replaces "<b>;</b>" charac- 45 ters in the map name by "<b>,</b>" before making NIS+ 46 queries. 47 48 <b>o</b> The ":<i>column</i>" part in the NIS+ map name is not part 49 of the actual NIS+ query. Instead, it specifies the 50 number of the table column that provides the lookup 51 result. When no ":<i>column</i>" is specified the first 52 column (1) is used. 53 54<b>EXAMPLE</b> 55 A NIS+ aliases map might be queried as follows: 56 57 <a href="postconf.5.html#alias_maps">alias_maps</a> = dbm:/etc/mail/aliases, 58 <a href="nisplus_table.5.html">nisplus</a>:[alias=%s];mail_aliases.org_dir.$<a href="postconf.5.html#mydomain">mydomain</a>.:1 59 60 This queries the local aliases file before the NIS+ file. 61 62<b>SEE ALSO</b> 63 <a href="postmap.1.html">postmap(1)</a>, Postfix lookup table manager 64 65<b>README FILES</b> 66 <a href="DATABASE_README.html">DATABASE_README</a>, Postfix lookup table overview 67 68<b>LICENSE</b> 69 The Secure Mailer license must be distributed with this 70 software. 71 72<b>AUTHOR(S)</b> 73 Geoff Gibbs 74 UK-HGMP-RC 75 Hinxton 76 Cambridge 77 CB10 1SB, UK 78 79 Adopted and adapted by: 80 Wietse Venema 81 IBM T.J. Watson Research 82 P.O. Box 704 83 Yorktown Heights, NY 10598, USA 84 85 NISPLUS_TABLE(5) 86</pre> </body> </html> 87