[Exim] Exim + NIS

Hi,

i want to configure my exim 3.35 to use smtp authentication whith NIS.
but i not have any idea to write the server_condition parameter to do this.

in the moment i have these lines:

login:
driver = plaintext
public_name = LOGIN
server_prompts = "Username:: : Password::"

server_condition = "${if crypteq{$2} {${lookup {$1} nis{shadow} {${extract{2}{:}{$value}}}}}{1}{0}}"

server_set_id = $1




sameone can help me!


tanks,
Bruno Couto.