This is a colossal failure of a scam to discredit Biden. There was no chain of custody, the proported email had tons of tell tale signs of being faked, and NYPost posted exif data that undermined their whole claim. They even used ints for ids allowing a lot of unpublished docs out.
https://twitter.com/russelneiss/status/1316398928850452481
https://twitter.com/russelneiss/status/1316402052885606400
https://twitter.com/marcusjcarey/status/1316386740794425344
National Review is part of the disinfo apparatus. Take anything they say with a pound of salt.