First of all, the bank is on the customer's side.
Secondly, they have no interest in investigating a chargeback request from a customer, unless it is a repeated situation over and over again
Third, even if someone signs for an "unknown" parcel , it doesn't mean he ordered it or joined your site.
On the other hand, some surfers don't want you to send stuff at their home ... and doing that can bring the wife in the picture, creating the chargeback ( I swear to you honey, I have no idea who these people are! Let me call my bank, I will show you )...
