has anyone had stuff seized and then used the same address for future orders and had it come through?

there are some posts on here that suggest that there is no such thing as a blacklist which is hard to believe but would just like to know if anyone out there has taken the risk again and tried at the same address.

also i heard fedex and dhl have their own custom clearance center if this "blacklist" exists anyone heard anything about fedex using this system also.