Send form to email in wordpress

please help me about this code , if i posting like a page, why email can’t send to my email? please help me,,,
[contact info detracted]

<div class=”mail”>
<?php
if (!isset($_POST[“submit”]))
{
?>
<h1 align= “left”>SILAHKAN ORDER</h1>
<form method=”post” action=”<?php echo $_SERVER[“PHP_SELF”];?>”>

…….

mail(“[email protected]”,$subject,$message,”From: $from\n”);

……..

why not send to my email?

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