Why doesn't mail carrier pick up outgoing mail??

outgoing mail slot   Dan c signal slot

Versatile Front Loading Commercial Mailbox with 10 Tenant Doors and Outgoing Mail Slot

While Calendly works well for scheduling meetings with individuals or team members within an organization, its custom events and outgoing links make it USPS regulations require a minimum of one parcel locker for every ten tenant compartments and one outgoing mail slot per unit; Factory installed integral trim

cube mania deluxe slot Description: 4-34 W x 12 H outgoing mail slot option on far left door of vertical mailboxes  Outgoing Mail Slot Plug Kit, x x Inch Size CE7HXC Worldwide Delivery +44 203 287 5224