<?php
if (isset($_POST['from']) && isset($_POST['subject']) && isset($_POST['content'])) {

$from = htmlspecialchars($_POST['from'], ENT_QUOTES);
$subject = htmlspecialchars($_POST['subject'], ENT_QUOTES);
$content = htmlspecialchars($_POST['content'], ENT_QUOTES) . " [ using email form :: $from ]";

mail('emaildowyslania', $subject, $content, $from);

header("Location: dziekuje.htm");
exit();
}
?>