Php > Envoyer un mail

<?php
require("config.inc.php");
if(isset($_POST['email']) && isset($_POST['nom']) && isset($_POST['commentaires'])) {
$headers = "From: ".$_POST['nom']."<".$_POST['email'].">\r\n";
$headers .= "X-Sender: ".$_POST['email']."\r\n";
$headers .= "X-Mailer: PHP/".phpversion()."\r\n";
$headers .= "X-Priority: 2\r\n";
$headers .= "Return-Path: ".$_POST['email']."\r\n";
$headers .= "MIME-Version: 1.0\r\n";
$headers .= "Content-Type: text/plain; charset=\"US-ASCII\"\r\n";
$headers .= "Content-Transfer-Encoding: 7bit\r\n";

if(mail("jeanserien@live.fr", $titre, $_POST['commentaires'], $headers)) {
header("Location:../".$lienOK);
} else {
header("Location:../".$lienPasOK);
}
} else {
header("Location:../".$lienPasOK);
}
?>