Every time a delivery comes (or does not come) by ...

Every time a delivery comes (or does not come) by DPD, there are difficulties - it seems to be common practice that the deliverers simply hand over parcels to their neighbors on the street. Today was the summit that I was sitting on the doorstep and received the news that the program had just been successfully delivered. No trace of DPD - then I checked the parcel tracking on Amazon. Here the status was that the package had been received with a signature ... Let's see how it goes on.