The USPS has for decades had a regulation prohibiting mail carriers from driving on private roads and driveways. That is why one sees so many mailboxes along rural roads and along the public roads in new housing developments with public roadways. Gated communities with private roads have mailboxes outside the entrance to the gated communities.
Your mail carriers have been doing a favor by driving up your driveway to deliver your mail.
You need to call the postmaster to determine what sorts of mailboxes meet USPS standards. You also need to check with your municipality to determine how those mailboxes must be installed. Some communities require the mailboxes to be encased in certain type of stone. Other communities require certain types of mounting hardware.
https://faq.usps.com/s/article/General-Guidelines-and-Policies-for-Rural-Delivery
For Accountable mail items and oversized parcels (not postage due), the carrier must try to gain the attention of the recipient, which includes honking their horn, in order to get them to come to the vehicle. If the customer doesn’t come out and the house/delivery point is within 1/2 mile of the line of travel AND has a passable road, the carrier should attempt to deliver it. Otherwise, the carrier will leave PS Form 3849 and the customer will have to make arrangements to obtain the item.
this seems to disagree with you and their current position.
they don’t even bring them any more. I was down there when he came by this afternoon. didn’t have the package. said “they won’t even send them out any more”
Thus we have reached a point where USPS only brings me junk mail. I should just remove the mail box all together.
I guess they can argue a road is not passable if they have to use reverse, but that is lame at best.