1) Cubbyhole in an office 2) Drop 3) Office distribution unit 4) Postal receptacle 5) Receptacle for letters 1) Postbox 
maildrop is a Mail delivery agent used by the Courier Mail Server. The maildrop MDA also includes filtering functionality. maildrop receives mail via stdin and delivers in both Maildir and mbox formats. maildrop has been suggested as an alternative to the unmaintained procmail MDA{citation_needed|date=August 2014}. == Features == maildrop can opti...
Food or sundry resupplies sent to yourself via USPS, UPS, or other carriers. There could me several maildrops on a long-distance trail trip.
[n] - a drop where mail can be deposited
noun a drop where mail can be deposited