Spam Reduction in Simple Forms

notSpam.php

<?php

	$field1 = $_POST['field1'];
	$field2 = $_POST['field2'];
	$field3 = $_POST['field3'];
	$field4 = $_POST['field4'];
	$field5 = $_POST['field5'];

	$formcontent = "FieldOne: $field1 \n FieldTwo: $field2 \n FieldThree: $field3 \n FieldFour $field4 \n FieldFive: $field5";

	$recipient = "recipient@email.com";
	$subject = "This is the Subject";

	$mailheader = "From: $email \r\n";

	mail( $recipient, $subject, $formcontent, $mailheader) or die("Error!");

	echo "Thanks.";

?>

spam.php

// this file in intentionally left blank

stop-spam-ajax-submit-form.js

$(document).ready( function() 
{
	// feedback after form submissio
	function confirm() {
		$("#form").get(0).reset();
		// a <p> tag or something with a thank you message
		$('.confirmation').slideToggle('fast');
	}
	// runs the check to detect if hidden field has been changed
	$('#submitter').click(function() 
	{
		if ( $('#hiddenField').val() !== "" ) 
		{
			$('#form').attr("action","spam.php");
			// AJAX Form Submitter can be found at https://github.com/malsup/form
			$('#form').ajaxForm(function() { 
				confirm();
			});
		}
		else {
			$('#form').attr("action","notSpam.php");
			// AJAX Form Submitter can be found at https://github.com/malsup/form
			$('#form').ajaxForm(function() { 
				confirm();
			});
		}
	});
});