Mail Function In PHP

Hello
           I am creating a application for our college using the
php.In that i want to send mail to all who are all the list.

For that i am just simply use the mail function in php without
configuring any mail system in the system.But the mail didn't send.
For sending the mails wat are requirements and if u have any tutorials
send it to me?

Thanks..










-- 
With regards,

Kannan. R. P,
Blog @: http://kannan4k.wordpress.com/