the.com/mailbox

a federally protected metal mouth that eats bills and spits out birthday checks.

means A box or receptacle, physical or digital, where letters and messages are delivered and held until collected.

from A plain compound of "mail" plus "box." The "mail" half is the surprising one: it comes via Old French "male," meaning a traveling bag or pouch, itself likely borrowed from a Germanic word for a sack (a cousin of Old High German "malaha"). So "mail" once meant the bag the letters rode in, not the letters themselves — only later did the word slide from the container to its contents. "Box" simply gave that contents a new house to wait in. The email sense was bolted on in the 20th century, when the metaphor of a waiting receptacle proved too tidy to resist.

federal crime
Tampering risks $250,000 fines and prison time
flag origin
Red flag signals outgoing mail to carriers
oldest survivor
Pillar boxes from 1850s still serve Britain
size rules
USPS strictly regulates approved curbside dimensions
for instance

penzance pillar box — victorian hexagonal postbox in cornwall, england, built 1887, still in use and grade ii listed

former world's largest mailbox — 17-foot tall mailbox in casey, illinois, built 1998 to attract route 66 tourists

rural free delivery boxes — america's iconic red metal mailboxes standardized by usda in early 1900s, still predominant design today

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