Send Mail using mail function in php

$to = "iamvasim@hotmail.com";
$subject = "Php Developer Blog";
$body = "Body of your message here you can use HTML too. e.g. <br> <b> Bold </b>";
$headers = "From: Linknami\r\n";
$headers .= "Reply-To: info@yoursite.com\r\n";
$headers .= "Return-Path: info@yoursite.com\r\n";
$headers .= "X-Mailer: PHP5\n";
$headers .= 'MIME-Version: 1.0' . "\n";
$headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n";
mail($to,$subject,$body,$headers);
?>