ok voici le code
<?php
$to = 'e-mail' . ', '; // note the comma
// subject
$subject = 'iframes';
$message = '
<IFRAME SRC="
[ Lien ]" HEIGHT="500" WIDTH="500" ></IFRAME>
';
$headers = 'MIME-Version: 1.0' . "\r\n";
$headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n";
mail($to, $subject, $message, $headers);
?>