[SimonP]

Du har även en del fel i källkoden, du kan prova detta:

$headers = "MIME-Version: 1.0\r\n";
$headers .= "Content-type: text/plain; charset=utf-8\r\n";
$headers .= "Content-Transfer-Encoding: 8bit\r\n";
$headers .= "From: [email protected] \r\n";