DKIM could be used to rule it out as a fake, even if that signature is correct we still don't know a lot of things, like whether the sender's email really belon

DKIM could be used to rule it out as a fake, even if that signature is correct we still don't know a lot of things, like whether the sender's email really belong to the person who they claim to be (".ukraine" is really weird thing to add to your personal email), whether Hunter responded to it (you would think that having his laptop, they would have all emails he sent) or whether the meeting happened at all. There are so many questions, and time too short to answer them all (purposefully, since it supposed to be an October surprise, the PDF with email print shows that it was prepared a year ago)