Sending mail via esmtp + exim configuration

Hi,
 I am having diffuculty in sending mail via esmtp.
I have esmtp and libesmtp in my device.

 When even i type
 sendmail in command prompt its says


Exim configuration file /etc/exim/exim.conf has the wrong owner,
group, or mode


Then i tried
/etc/init.d/exim restart
Restarting MTA...
Stopping MTA: exim.
Starting MTA: exim1970-01-01 00:00:55 Exim configuration file /etc/
exim/exim.con
f has the wrong owner, group, or mode
 failed (1: ).
r...@192.168.10.101:~#
Suggest me how to proceed.
I tried many methods to change the ownership of configuration file.
But i fails.


 I am able to connect to smtp server.
But i am unable to send mail.


suggest me the solution