Well interesting… actually we have spent a lot of time on it and as it seems in your case, the contact form works fine on the Sitejet periphery. That is what has been tested and communicated in any case here.
So the issue is with the settings in cPanel which we love to help with as much as we can. Although we are not cPanel
So if you are open for it, let me know and we go through these possible troubleshooting ideas:
