The email says:
The post payment verification for a payment failed. This could happen for one of two
reasons:
1. The fund for the payment have not been cleared yet (no need to do anything as the
digital product will be delivered once the fund clears).
2. Someone maybe trying to scam a purchase! (no worries… WP eStore got your back 
Here are some more details…
The Fund have not been cleared yet. Product will be delivered when the fund clears!
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I guess that I am confused about how PP Sandbox works. I thought that it would take me thru the process… so that I could check everything out, including the delivery process.
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