I am using Magento 2 for my website. I have configured Paypal Payment Standards. I am testing in sandbox mode. I can receive payment from Paypal account but i can not receive payment from Debit/credit card(Without logging in to paypal). I have enabled Guest Checkout Mode in Magento settings. I have double checked all the settings in Magento and my Paypal Sandbox account but still no solution. Please guide.