Email PHP Format

//Formato email php (class.phpmailer)

<?php
require("class.phpmailer.php");

foreach($_POST as $campo => $valor){
   $asignacion = "\$" . $campo . "='" . $valor . "';";
   utf8_encode(eval(nl2br($asignacion)));
}


$formato;
$formato = "---------------------------------- <br/>";
$formato.= "        Formulario de Contacto       <br/>";
$formato.= "---------------------------------- <br/>";
$formato.= "<table border='1'>";
$formato.= "<tr>";
$formato.= "<td>";
$formato.= "Nombre:";
$formato.= "</td>";
$formato.= "<td>";
$formato.= $nombre;
$formato.= "</td>";
$formato.= "</tr>";
$formato.= "<tr>";
$formato.= "<td>";
$formato.= "Telefono:";
$formato.= "</td>";
$formato.= "<td>";
$formato.= $telefono;
$formato.= "</td>";
$formato.= "</tr>";
$formato.= "<tr>";
$formato.= "<td>";
$formato.= "Email:";
$formato.= "</td>";
$formato.= "<td>";
$formato.= $email;
$formato.= "</td>";
$formato.= "</tr>";
$formato.= "<tr>";
$formato.= "<td>";
$formato.= "Mensaje:";
$formato.= "</td>";
$formato.= "<td>";
$formato.= $mensaje;
$formato.= "</td>";
$formato.= "</tr>";
$formato.= "</table>";

$mail = new PHPMailer();
$mail->Host = "localhost";
$mail->From = $email;
$mail->FromName = $nombre;
$mail->Subject = "Formulario de Contacto";
$mail->AddAddress("email@email", $nombre);
$body =  $formato;
$mail->Body = $body;
$mail->AltBody = "Hola jefe<br/> Que tenga un buen dia<br/><br/>Saludos";
$mail->Send();

//echo 1;

?>