It seems to me this makes factual claims that are simply untrue. Not contestable claims about politics, but statements about events that did not in fact occur, intended to manipulate the recipient.
Why is that permissible in political advertising?
Screenshot of e-mail: From: Lara Trump Subject: My father-in-law was asking about you! To: Steve Waldman, Reply-To: Lara Trump FROM THE DESK OF LARA TRUMP This is Lara Trump and my father-in-law was just telling me about how much he LOVES YOU!