Apr 25, 2014 · Last week, UPS dropped off a package on the porch of Jay Friedman's home in Plano, Texas. But the delivery man had made a mistake. The medium-sized cardboard box that looked like it might contain ... Insurance is for damage, not a missing package. If the post office marks the package as delivered, you are no longer responsible. Our job is to send the package out well packed and in the shipping time we have listed. The buyers job is to have the correct address listed and to have a secure place for mail to be left.