Hi Mandar,
I have installed drupal 6.14 in office as an Intranet site, for office use
only.
If you are using XAMPP or WAMP server as web server then you need to do small change in php.ini file
In php.ini file at
before
SMTP = localhost smtp_port = 25
After SMTP = smtp.gmail.com smtp_port = 25
You can also use any SMTP server details with the correct port number.
Under linux OS you need to have at least sendmail installed.
Hope this helps you
Thanks Nikhil Kala Blogs - http://www.nikhilkala.com