Far from it
Nothing she did warranted criminal prosecution. The FBI affirmed it
Why don't you cite someone else who went to jail for similar actions
A criminal conviction doesn't have to result in jail time.
Sure , let's start with John Deutch who was actually working on a plea deal for a misdemeanor crime for storing classified material on his home computer before Bill Clinton pardoned him avoiding the plea deal.
How about
BRYAN NISHIMURA who was fined and lost his security clearance for having classified material on his personal electronic devices even though the Justice Department concluded that there was no intent, but they felt like they had to send a message that this was not acceptable. By the way, that was in 2008, so under Obama.