No confirmation email to admin


My client is again complaining about A+. This time she doesn't recieve the confirmation email when a customer makes a new booking. I changed the admin mail to my mail and tried and i dont recieve any confirmation.. I've chosen "yes" in the notifications confirmation mails.

It is this site: where you can see the issue.. I'm granting access so you can log in to the system.

Do you know what is happening?