Contact Form and send e-mail

<?php 
if ($_POST["email"]<>'') { 
    $ToEmail = 'youremail@site.com'; 
    $EmailSubject = 'Site contact form'; 
    $mailheader = "From: ".$_POST["email"]."\r\n"; 
    $mailheader .= "Reply-To: ".$_POST["email"]."\r\n"; 
    $mailheader .= "Content-type: text/html; charset=iso-8859-1\r\n"; 
    $MESSAGE_BODY = "Name: ".$_POST["name"].""; 
    $MESSAGE_BODY .= "Email: ".$_POST["email"].""; 
    $MESSAGE_BODY .= "Comment: ".nl2br($_POST["comment"]).""; 
    mail($ToEmail, $EmailSubject, $MESSAGE_BODY, $mailheader) or die ("Failure"); 
?> 
Your message was sent
<?php 
} else { 
?> 
<form action="test.php" method="post">
<table width="400" border="0" cellspacing="2" cellpadding="0">
<tr>
<td width="29%" class="bodytext">Your name:</td>
<td width="71%"><input name="name" type="text" id="name" size="32"></td>
</tr>
<tr>
<td class="bodytext">Email address:</td>
<td><input name="email" type="text" id="email" size="32"></td>
</tr>
<tr>
<td class="bodytext">Comment:</td>
<td><textarea name="comment" cols="45" rows="6" id="comment" class="bodytext"></textarea></td>
</tr>
<tr>
<td class="bodytext"> </td>
<td align="left" valign="top"><input type="submit" name="Submit" value="Send"></td>
</tr>
</table>
</form> 
<?php 
}; 
?>