Hello - none of my contact form 7 forms work on this site anymore. I have tried installing wp mail stmp plugin and can send emails through it. I have followed the instructions on this post to try and resolve.
http://angstrey.com/index.php/2009/07/20/contact-form-7s-failed-to-send-your-message-error/
When I try to use one of the forms, nothing happens. No grey spinning ball, nothing the form just sits. I am using Wordpress 3.6 and the plugin is at version 3.5.1
The form is here
http://www.destinationsnow.com/company/references/submit-your-testimonial/
HELP!!