Turns out " None of the emails at issue in this review were marked as classified" p. 6
" There was no persuasive evidence
of systemic, deliberate mishandling of classified information. " p. 8
https://www.grassley.senate.gov/sites/default/files/documents/2019-10-17%20State%20Dept.%20to%20CEG%20-%20Classified%20Emails.pdf
On top of Inspector Horowitz's investigation where the IG office stated " We found no evidence that the conclusions by the prosecutors were affected by bias or other improper considerations; rather, we determined that they were based on the prosecutors’ assessment of the facts, the law, and past Department practice." p. 10
So the whole e-mail molehill was a big nothingburger blown out of all proportion by Republican partisans and a gullible press.
No real surprise except to people like Mott.