add this to the top of the main contact form 7 file to fix its lack of CORS

gistfile1.php

if (isset($_SERVER['HTTP_ORIGIN']) && in_array($_SERVER['HTTP_ORIGIN'], array('http://chazsouthard.com', 'http://localhost:1111'))) {
	header("Access-Control-Allow-Origin: {$_SERVER['HTTP_ORIGIN']}");
	header('Access-Control-Allow-Credentials: true');
	header('Access-Control-Max-Age: 86400'); // cache for 1 day
        $_SERVER['HTTP_X_REQUESTED_WITH'] = 'XMLHttpRequest';
}