Safe and secure delivery of mail is a premium concern for home neighborhoods, apartment complexes, and business properties. Among the items that can fulfill these expectations and is gaining very high popularity is the CBU cluster mailbox. If you have no idea what a CBU cluster mailbox is, how it works, or where you can find a quality model, this article will walk you through all the information you require. We will also recommend a quality supplier: Go Mailboxes What is a CBU Cluster Mailbox? CBU stands for “Cluster Box Unit.” It’s a centralized mail system designed to serve multiple recipients at a single location. Rather than having a mailbox…