Fake Mail, mail()

<?php
$vic = "victim @ lamer.com";  //Victima
$subject = "Fake mail";  //Téma
$message = "Message";  //Continutul mailului
$name = "Mos Craciu";  //Numele "tau"
$mtau = "boss @ nasa.com";  //Mailul "tau"
mail($vic, $subject, $message, "From: $name<$mtau>nr");
echo '<script>alert("Mesajul a fost trimis! (C) localhost")</script>';
?>