<?
function postala($gidecekMail,$gonderenAd,$gonderenMail,$ko nu,$mesaj) {
$headers = "MIME-Version: 1.0\n";
$headers .= "Content-type: text/html; charset=utf-8\n";
$headers .= "X-Mailer: PHP\n";
$headers .= "X-Sender: PHP\n";
$headers .= "From: $gonderenAd<$gonderenMail>\n";
$headers .= "Reply-To: $gonderenAd<$gonderenMail>\n";
$headers .= "Return-Path: $gonderenAd<$gonderenMail>\n";
@mail($gidecekMail,$konu,$mesaj,$headers);
}
?>

<?postala('gidecek@mail.com','Gönderen adı','deneme@mail.com','Türkçe karakter deneme','burayada mesaj');?>