Sure, you can make up all sorts of things she could have done. That of course doesn't make them real.
It's not made up. When you run your own email server, you have complete control over the storage and reception of emails without any public oversight.
The fact that she's receiving official emails on a private, home-brew, server qualifies as concealment all on its own--and she has undoubtedly deleted emails without running them through government servers first, which qualifies as destroying government records.