French international postage rates at a glance. Inland domestic postage within France-as from 1st January 2015. There are THREE rates for letters up to 250 grammes, and two for letters up to 3 kg.
Mailbox Height. Mailbox height is important-the mailbox will need to be on a post that places the opening of the box between 41 and 45 inches from the surface of the road (not the ground where you will be inserting the post), and no more than 6 to 8 inches from the curb.
According to the postal service recommendations web site The Federal Highway Administration (FHWA) has determined that mailbox supports no larger than 4 inches by 4 inches, or a 2 inch diameter standard steel or aluminum pipe, buried no more than 24 inches, should safely break away if struck by a vehicle.