Sending a mail in magento

<?php

 $body = "body";

 $mail = Mage::getModel('core/email');

 $mail->setToName('Recipient Name');

 $mail->setToEmail('recipient@email.com');

 $mail->setBody($body);

 $mail->setSubject('Subject');

 $mail->setFromEmail('sender@email.com');

 $mail->setFromName("Sender Name");

 $mail->setType('text'); // 'html' or 'text'

 try {

     $mail->send();

     Mage::getSingleton('core/session')->addSuccess('Your request has been sent');

     $this->_redirect('');

 } catch (Exception $e) {

    Mage::getSingleton('core/session')->addError('Unable to send.');

    $this->_redirect('');

 }

source : http://stackoverflow.com/questions/5663088/sending-mail-in-magento