Please read this:
11.6 Eligibility Requirements
What are the eligibility requirements for PayPal seller protection?
You must meet all of these requirements to be covered:
The item purchased must be a physical, tangible good that can be posted.
The transaction must be marked by PayPal as eligible or partially eligible for seller protection on your Account Transaction Details page.
If it is marked eligible, protection for both Unauthorised Payments and Item Not Received will apply. If it is marked partially eligible, protection for only Item Not Received will apply.
Items sold on eBay will be marked eligible even if the shipping address is marked unconfirmed. Generally, items sold on websites other than eBay will be marked eligible if the shipping address is marked confirmed and partially eligible (that is, eligible for Item Not Received only) if the shipping address is marked unconfirmed.
Post the item to the shipping address on the Transaction Details page
You may access the Transactions Details page by logging into your PayPal Account, selecting History and then selecting Details for the transaction.
Follow the postage requirements described below.
You must accept a single payment from one PayPal Account for the purchase.
You must not charge a surcharge for accepting PayPal.
Respond to PayPals requests for documentation and other information that is reasonably required by _PayPal to investigate the matter in a timely manner.
Your primary residence, as listed in your PayPal Account, must be in the United Kingdom.
Does this mean if I send to someone with "eligible" seller protection but to an "unconfirmed" address (someone with same surname but not the purchaser) I am protected? Thanks