Package delivery and reception with drones

A computer program product for automatically delivering a physical mail, the computer program product comprising:

• a computer readable non-transitory article of manufacture tangibly embodying computer readable instructions which, when executed, cause a computer to carry out a method comprising:
• sending, from an unmanned aerial vehicle management system, a delivery information to a unmanned aerial vehicle carrying the physical mail, the delivery information comprises information about a first secure mailbox and information about a second secure mailbox, the first secure mailbox being related to a first target user;
• delivering, by the unmanned aerial vehicle, the physical mail to the first secure mailbox;
• in response to the unmanned aerial vehicle not being able to deliver the physical mail to the first secure mailbox, receiving a rerouting information associated with the second secure mailbox from the unmanned aerial vehicle management system, wherein the rerouting information to the second secure mailbox is based on a predefined rerouting rule;
• sending, by the unmanned aerial vehicle management system, a message to the first target user requesting a confirmation of the rerouting information;
• in response to the first target user accepting the rerouting information, rerouting the unmanned aerial vehicle carrying the physical mail from the first secure mailbox to the second secure mailbox, wherein the second secure mailbox comprises a plurality of individually lockable compartments controlled by a mailbox controller that is able to communicate with the unmanned aerial vehicle management system;
• sending, from the unmanned aerial vehicle management system, to the mailbox controller in the second secure mailbox one or more security credentials associated with the unmanned aerial vehicle;
• simultaneously sending, from the unmanned aerial vehicle management system, to the unmanned aerial vehicle one or more security credentials associated with the second secure mailbox;
• exchanging the one or more security credentials associated with the unmanned aerial vehicle and the one or more security credentials associated with the second secure mailbox;
• and
• in response to the one or more security credentials matching, opening at least one compartment of the plurality of individually lockable compartments to deliver the physical mail.