Conflicting information regarding PayPal Instant Payment Notification setup
Created by: michael-chaplin-gmcvo
https://docs.civicrm.org/sysadmin/en/latest/setup/payment-processors/paypal-standard/
states you should enter your base site URL whereas
https://docs.civicrm.org/sysadmin/en/latest/setup/payment-processors/recurring/#IPN%20notify%20URL
states you should enter eg
civicrm/payment/ipn/3
(presumably prefixed with the base URL)
https://chat.civicrm.org/civicrm/pl/rmtxenf9w7y33k5djny19f5fbe