Like Clinton, Powell used a personal email address. However, there’s a big difference: Clinton hosted her email on a private server located in her home. Powell did not.
Many politicians use private addresses, but private servers like the one Clinton used are rarely seen, said John Wonderlich, a policy director at the Sunlight Foundation, a nonpartisan group focused on government transparency, for a prior PolitiFact story.
And there’s a big difference between a private account, which is generally free and simple to start, and a private server, which requires a more elaborate setup.