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.
Weight restrictions for domestic are 70 lb s. Weight restrictions for Priority Mail. International are 4 lbs for the Flat Rate Envelopes, Small Flat Rate Box, DVD Box, and Large Video Box; 20 lbs for the Medium a nd Large Flat Rate Boxes. Priority. Mail Express International Flat Rate Envelopes have a maximum weight of 4 lbs.