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Someone using the Huge Cajones mailer wrote:
David Lesher <[email protected]> writes:
> USPS uses key locks seemingly designed by Ben Franklin himself.
> Look at them someday. FedEx boxes used to have Simplex 926
> 5 pushbutton ""locks"" if you stretch the point.
Still did last I checked.
Don't let the old-fashioned look deceive you. Most mail storage boxes
use lever tumbler locks (similar to what's used in safe deposit
vaults, though obviously the mailbox locks have a flimsier plug).
How is that obvious? Safe deposit locks generally aren't designed to
be hard to open, just hard to open without damage. There's always
either a guard or a locked vault door protecting the locks.
Mailboxes, on the other hand, generally aren't kept under guard or in
vaults.