Since April this year I am getting the following email
PayPal Instant Payment Notification Warning
Please check your server that handles PayPal Instant Payment Notifications (IPN). IPNs 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.
What i notice is when I have a new subscriber that uses subscription payment via PayPal, I am not getting the IPN for it.
I have not changed anything on my end. What could be the issue?
