PayPal Instant Payment Notification Warning

Hi,

I’m using the Simple Paid Listings addition to the WP Job Manager plugin. We keep getting emails from PayPal saying:

Please check your server that handles PayPal Instant Payment Notifications (IPN). IPNs sent to the following URL(s) are failing:



http://www.allianceofwomencoaches.org?job-manager-api=WP_Job_Manager_Simple_Paid_Listings&gateway=paypal

I’ve called PayPal and they say they are not being able to respond to that link which is associated to the Job Manger plugin. It’s not a huge deal, they say, but wasn’t sure if you had ever seen this before since it is related to the plugin. I use other plugins on my site with PayPal but haven’t had that experience with them. Any insight is appreciated.

https://wordpress.org/plugins/wp-job-manager/