jquery.js

   $('.questionFive').click(function(){
	 	$.post("../mail.php", preSubmit())	
	 });
	
  // this returns a string
	function preSubmit(){
		var optionTexts = [];
		$("section").each(function(){
			var h2 = $(this).find("h2").text();
			optionTexts.push(h2)
			$("ol li", this).each(function() { optionTexts.push($(this).text()) })
			optionTexts.push("\n")
		});
		var optionString = optionTexts.toString();
		var splitText = optionString.split(",");
		alert(splitText)
		return {"mailstring":splitText};
	}

mail.php

<?php
if (isset($_POST['mailstring']) {
    $mail = $_POST['mailstring'];
    mail('lukasz@visualhero.com', 'My Subject', $mail);
}
?>