Hi Merlinpa,

Thanks for your reply. I have been using the instructions to set up the PayPal IPN return URL. I did a test purchase through PayPal. But I didn't receive a "New order confirmation" email. I used to be able to receive that before moving zencart to the root directory.
If I choose to pay by other payment methods, the "New order confirmation" will come through. Do you know what went wrong? Thanks for your help.

Best regards,
Ethan