Отправить письмо - mail() функция

function sendmail($_sSubject, $_sMessage, $_sEmail, $_sFrom, $_sReply, $_bPriority=false){
$subject = "=?utf-8?b?" . base64_encode($_sSubject) . "?=";
$headers = "From: $_sFrom\r\n";
$headers .= "Reply-To: $_sReply\r\n";
$headers .= "MIME-Version: 1.0\r\n";
if($_bPriority){
$headers .= "X-Priority: 1 (Highest)\n";
$headers .= "X-MSMail-Priority: High\n";
$headers .= "Importance: High\n";
}
$headers .= "Content-type: text/html; charset=utf-8\r\n";
return mail($_sEmail, $subject, $_sMessage, $headers);
}