Here's the link to the video I mentioned in my original comment. I think they discuss how the metadata was altered in the second video of three but no promises I'm remembering that correctly. To be clear, I'm not saying the emails were inauthentic. I'm saying they were altered to make the source of the materials appear to be an internal leak from within the DNC as opposed to a hack. The alterations were (allegedly) for the purposes of Russia covering their trail.

https://www.nytimes.com/2018/11/12/opinion/russia-meddling-d...