send.php

<?php
	error_reporting(E_NOTICE);

	function valid_email($str)
	{
		return ( ! preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $str)) ? FALSE : TRUE;
	}

	if($_POST['first_name']!='' && $_POST['last_name']!='' && $_POST['e_mail']!='' && $POST['phone']!='' && valid_email($_POST['e_mail'])==TRUE)
	{
		$to = '[email protected]';
		$headers = 	'From: '.$_POST['e_mail'].''. "\r\n" .
				'Reply-To: '.$_POST['e_mail'].'' . "\r\n" .
				'X-Mailer: PHP/' . phpversion();
		$subject = "Contact from IC website";
		$message = 'Name: ' . $_POST['first_name'].' '. $POST['last_name'] . "\r\n" .
				'Phone: ' . $POST['phone'] . "\r\n" .
				'Referred by: ' . $POST['referred_by'] . "\r\n" .
				'Event type: ' . $POST['event_type'] . "\r\n" .
				'Event date: ' . $POST['event_date'] . "\r\n" .
				'Venue: ' . $POST['venue'] . "\r\n" .
				'Number of guests: ' . $POST['num_guests'] . "\r\n" .
				'Budget: ' . $POST['budget'] . "\r\n" .
				'Decor required: ' . "\r\n" .
				'  Entry: ' . $POST['entry'] . "\r\n" .
				'  Dance floor: ' . $POST['dance_floor'] . "\r\n" .
				'  Stage: ' . $POST['stage'] . "\r\n" .
				'  Ceiling: ' . $POST['ceiling'] . "\r\n" .
				'  Table: ' . $POST['table'] . "\r\n" .
				htmlspecialchars($_POST['themessage']);

		if(mail($to, $subject, $message, $headers))
		{//we show the good guy only in one case and the bad one for the rest.
			echo 'Thank you '.$_POST['first_name'].'. Your message was sent';
		}
		else {
			echo "Message not sent. Please make sure you're not
				running this on localhost and also that you
				are allowed to run mail() function from your webserver";
		}
	}
	else {
		echo 'Please make sure you filled all the required fields,
		and that you entered a valid email and phone.';
	}
?>