[exim] NIS Auth not working

Good day to you all,

I have an issue with one of my client's servers.

I am using a Auth config that has worked well for several years and all
of a sudden it stops working, so I truly do not believe this is a config
or explicitly an EXIM issue. Although it does prevent users from
sending emails.

Below is the version info for EXIM

Code:
--------------------

[root@mail yp]# exim -bV
Exim version 4.68 #2 built 06-Feb-2008 23:09:36
Copyright (c) University of Cambridge 2006
Berkeley DB: Sleepycat Software: Berkeley DB 4.2.52: (June 6, 2007)
Support for: crypteq iconv() PAM Perl OpenSSL Content_Scanning Old_Demime
Lookups: lsearch wildlsearch nwildlsearch iplsearch dbm dbmnz nis nis0
Authenticators: cram_md5 plaintext
Routers: accept dnslookup ipliteral manualroute queryprogram redirect
Transports: appendfile/maildir/mailstore/mbx autoreply pipe smtp
Size of off_t: 8
Configuration file is /etc/exim.conf
--------------------


Below is the Section of the config that defines the AUTH

Code:
--------------------
    fixed_plain:
  driver = plaintext
  public_name = PLAIN
  server_prompts = :
  server_condition = "${if and {{!eq{$2}{}}{!eq{$3}{}} \
  {crypteq{$3}{${extract{2}{:} \
  {${lookup{$2}nis{passwd.byname}{$value}{*:*}}}}}}} {1}{0}}"
  server_set_id = $2

--------------------



This is all running on a RH ES4 64Bit server

any pointers on what to look for are welcome.

Thanks

Kevin


--
kmb


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