Hello Olly,
I am experiencing the same problems as last year again.
Customers place orders and make payments, but no confirmation email is received.
The orders do not appear in the order history, there are no changes, everything remains the same.
All customers are affected. At the moment, we receive no feedback, so we are not receiving any orders.
Please help and check this issue as soon as possible.
Thank you.
Paypal Version 5.5