Free-standing mailbox with standpipes for holding a mailbox or storage compartment module. 4 module spaces for holding information sign modules, surface lights and function modules in the upper part. Intercom module and other function modules in the ergonomically easy-to-use area. Aluminum profile with floor flange. Mailbox housing with aluminum rear wall completely coated or painted. Complete with mailbox housing, standpipes and floor flange with fastening accessories such as heavy-duty dowels etc.