Website forms provide visitors to your website with a convenient way to contact you without having to leave your site. However, there are many things that can go wrong with website forms in both PHP and HTML. In fact, you should continually monitor the performance of your website forms in order to make sure they are working correctly. Poor performance from your website form can cost you business. Even one poor user experience on your website can cost you a return visit. Therefore, if it is taking up to 8 hours for emails to be sent on your website form in PHP and HTML, you will need to address this immediately.
Without seeing the actual form, it is hard to pinpoint the specific problem you are experiencing. It could be an issue with your web host. The best solution will be for you to contact your web designer as well as your web host provider. Between the two of them, they should be able to identify the problem. It could be a problem with your form or it could be an issue on their end. Once your problem is resolved, you will want to set up a system to monitor the performance of your website and all of its forms to identify future issues.