A method for processing packages is provided. A package is received at an intermediate shipping site and a delivery authorization status corresponding to the package is determined based on a threshold of some characteristic of the package. The package is delivered if the authorization status is that delivery is acceptable and the package is not delivered if the authorization status is that delivery is not acceptable. The acceptability of the package for delivery is determined by a response that an addressee provides to an electronic message notification of package availability. The electronic response preferably contains some authenticating information regarding the package.