My solution was to put a regular size mailbox inside a much larger “rural” mailbox, filling the void with cement. This was mounted on a 12 foot long 4" diameter iron pipe driven about 8 feet into the ground with a cement footing, and filled with rebar and cement.
My security cameras have twice captured the intial whack and rebound into the car window of a teen-wielded bat. Smashed windows on both vehicles.
One camera angle catches the tag of departing vehicles, and another gives the “big picture” of the entire yard and street, plus neighbors yards, etc.
With the first, I simply gave the tape to the postal inspectors, but didn’t have to on the second.
Angry with smashing their own window, they came back later that night, crossed the road and tried to mow down my box. It was a terrible sound, and it destroyed the poor child’s mom’s Camry!
When the cops arrived, all the kids explained that a deer startled them, requiring an off-road excursion to save everyone’s life. A brief examination of 3 camera angles disproved their claim.
effin kids…