Governments don't seem to want competition for their postal monopolies. There is the interesting case of the American Letter Mail Company, which tried to do thi

Governments don't seem to want competition for their postal monopolies. There is the interesting case of the American Letter Mail Company, which tried to do this in the mid-1800s, but was shut down. https://en.wikipedia.org/wiki/American_Letter_Mail_Company https://en.wikipedia.org/wiki/American_Letter_Mail_Company