Accept post data from remote server

Hi,

I have two server. From 1st server I'm sending a html form to 2nd server with "POST" method. But 1st server cant not read post data.

Form

Code:

<form action="http://example.com" method="post">
  <input name="say" value="Hi">
  <input name="to" value="Mom">
  <input type="submit" value="ok" />
</form>

tst.php

<?php

print_r($_POST);
?>

Result = Array ( );