[BuffaloJack]

I never hear tales of letter carriers shooting dogs.
Letter carriers usually keep a few milkbones in the bag to handle dogs.

[bigbob]

Or dog spray, same as cyclists carry. Or a water pistol filled with ammonia, one shot in the snout will take the fight right out of ‘em.

[Tallguy]

“I never hear tales of letter carriers shooting dogs.”

That’s probably because they carry pepper-spray.