PayPal Unverified Transactions
A number of customers have asked recently about PayPal IPN orders where the transaction is flagged as Unverified.
Unverified simply means the customer does not have an address that has been verified by PayPal. It does not mean the transaction has not been paid for.
As long as your PayPal module is sending the customer address to PayPal the transaction is covered by their Seller protection (not that it means much once a bank gets involved in a charge back).
However you should take note of Unverified orders for first time customers and check that the address you are shipping to is not a empty lot in some industrial area near an airport. So google their name, google the address and then if you have doubts call them.