$vlist = array("urun","urun2","urun3","urun","urun8","urun9","urun10".................................................................);
$mail->Body = '<html>
Ürünler;<br>
<b>';
foreach ($vlist as $urun) {
$mail->Body .= $urun . '<br>';
}
$mail->Body .= '</b>
</html>';
echo $mail->Body;