Abstract: A mail post removably-coupled to a mailbox system includes: a mail post removably-couplable to a mailbox assembly having a hollow and transparent mail post including a first open end having internal male threads, a least one item insertable into the hollow and transparent mail post via the first open end, and a second end having an end-cap; a connector for removably-coupling the mail post to a mailbox having a top surfacing mounting plate, and a hollow cylindrical collar including internal female threads coupled to the top surface mounting plate; the mailbox having a side wall, a flat base having a plurality of fasteners, a first end having a rotatable hinged door, a closed end, and a hollow shaped interior volume for collecting mail. The mail post removably-coupled to a mailbox system comprises said mail post removably-coupled to a mailbox assembly.