Knowing that any draft email is only accessible via the email client in which it was created, my hunch is the draft email is not an actual file and thus is not retrievable using either Time Machine or Migration Assistant.
This university uses IMAP to access university emails from within email clients such as Apple Mail.
He knows the exact date and time when he deleted but he has not tried to recover it using either Time Machine or Migration Assistant. The draft was sitting in his Apple Mail's Drafts folder when he inadvertently deleted it. A few weeks ago, he started an email but never sent it. The professor was so happy with my previous efforts that he asked me to try to help him with another, more obscure issue. This is a continuation of the following thread:
