What to be written to send information to mail id

Hi everyone

I have created website. In this i have one page od contactus.in this page it asks information like name,maili, msg after filling this information when i click on submit button. it must be sent to [email protected]. to do so
it means when i click on submit button the all information to be sent on [email protected]

what i have to do so. means in i will have to write in button click event or in form’s post method. and what i have to write.

Please send code for this.

Waiting for reply.
Please help me

thanx a lot
Best regards,
ASIF