Always issue GetExpressCheckoutDetails during authorize or purchase, and store payer_email in responses table associated to the kb payment and transaction
Always issue GetExpressCheckoutDetails during authorize or purchase, and store payer_email in responses table associated to the kb payment and transaction

daliwei/killbill-paypal-express-plugin,killbill/killbill-paypal-express-plugin,killbill/killbill-paypal-express-plugin,daliwei/killbill-paypal-express-plugin,killbill/killbill-paypal-express-plugin,daliwei/killbill-paypal-express-plugin