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Paypal Instant Payment Notification
A warning message is triggered when there is no acknowledgement that is sent from Paypal to Chargebe
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I received a 'PayPal Instant Notification Warning' email from PayPal. What should I do now?
Each IPN message sent from PayPal has to be acknowledged by Chargebee.
If PayPal doesn't receive this acknowledgement, it treats the IPN as a failure and sends this email.
Please check if you have configured the PayPal IPN as per instructions here and reach out to support@chargebee.com with details, for further assistance.