PayPal IPN Notification error
We are getting the following email back from PayPal for this website: http://www.decklube.co.uk
Please check your server that handles PayPal Instant Payment Notifications (IPN). Instant Payment Notifications sent to the following URL(s) are failing:
If you do not recognize this URL, you may be using a service provider that is using IPN on your behalf. Please contact your service provider with the above information. If this problem continues, IPNs may be disabled for your account.
Thank you for your prompt attention to this issue.
I've attached the file with the PayPal code from the extension included. Are we doing something wrong with the code? We used the PayPal buy it now button extension