You may find yourself needing to send back a verifiable and dummy IPN response to PayPal after switching your IPN URL.  If so, this tutorial may be helpful. Note, IPN stands for Instant Payment Notification. I recently moved some forum communities from vBulletin to Xenforo.  The PayPal IPN addresses for vBulletin and Xenforo are completely …

Continue reading “Create a dummy PayPal IPN response for old PayPal IPN addresses”