There are bogus companies out there that will happily take money in exchange for services that don’t exist, leaving clients not just out of pocket but also in a logistical and reputational mess when their goods aren’t collected or delivered.

The postal service can trace its roots back as far as 1516, when Henry VII created the position of Master of the Posts (a role which has since evolved into that of Postmaster General). In 1635, Charles I laid the foundations for Royal Mail as we know it today, by makin...