1. A method, comprising: instructing a mail delivery service to hold all envelopes addressed to a destination address; receiving a plurality of held envelopes at a first location; extracting, by at least one processor, a first set of information from an exterior surface of each of the plurality of held envelopes; extracting, by the at least one processor, a second set of information from one or more items contained within each of the plurality of held envelopes; determining, for each of the held envelopes, whether the first set of information corresponds with the second set of information; determining, for each of the held envelopes, the authenticity of the second set of information; grouping, for each of the held envelopes, by the at least one processor, the first set of information with the second set of information to generate a plurality of electronic transactions; and processing, by the at least one processor, the plurality of electronic transactions.