On Thu, 21 Jan 2016 22:01:41 -0500, Ed Pawlowski wrote:

On 1/21/2016 9:39 PM, wrote:

In Canada many rural mail boxes had a red flag on them that the mail
carrier would pop up when he put mail in the box.


We use that flag to let the carrier know we have mail to be picked up.

There's something about which way the box is turned too - Long time
since I had to deal with a rural mail box. facing the road=full,
parallel to the road+ empty?