Koncová, DominikaKremeňová, Iveta2021-08-202021-08-2020201336-8281http://drepo.uniza.sk/handle/hdluniza/523The issue of Paper is the first mile, specifically, collecting mail via letterboxes, by postal operators providing universal services, and necessary implementation of innovations in them. In recent years, there was downward tendency of sent mail, so the question arises as to whether it is necessary to collect mail from letterboxes that have not been filled or if to omit letterboxes altogether.enhttp://creativecommons.org/licenses/by/4.0/Letterboxparcel boxautomated parcel lockerArticlehttps://doi.org/10.26552/pte.C.2020.2.2