Php Mail sending on the server

<form class="feedback-form auform" name="contactform" action="#" method="post">

                                        <?php @extract($_POST);?>

                    <?php 

$to = "indrajeet@nimbusitsolutions.com";

$subject= $name . "" . "(By Ireoskyon.net.in)";

//body

$body = "\n Client Details :

\n\n  Name : " . $name .   

"\n Phone : ". $phone .

"\n Email : ". $email ;

if (mail($to, $subject, $body, "Fromemail") {

  echo("<script>alert('Thank you for contacting with us!!'); window.location.href = 'http://ireoskyon.net.in/';</script>";

} else {

 echo("<p style='text-align:center;'>Message delivery failed...</p>";

}

?>

                                    </form>