I have been working on this for several days.
When I send a reservation, I don't receive an email. I have made several changes, but I think I have everything set back.
I installed WP-mail-SMTP plugin and can receive emails from the test.
I added the mail test code in the header.php and it says mail sent.
I'm using Godaddy virtual server.
If you fix this, I'd like an explanation what you did.