function mail_utf8($to, $subject = '(No subject)', $message = '', $header = '') {
$header_ = 'MIME-Version: 1.0' . "\r\n" . 'Content-type: text/plain; charset=UTF-8' . "\r\n";
mail($to, '=?UTF-8?B?'.base64_encode($subject).'?=', $message, $header_ . $header);
}

ini_set ("sendmail_from","facebook@m-brain.com");
mail_utf8("jarkko.nylund@m-brain.fi", "Facebook Report", "testi");