There are no indications in this article that the user has at-rest plaintext on their mail server or in their local mail client. It's possible they aren't remov

There are no indications in this article that the user has at-rest plaintext on their mail server or in their local mail client. It's possible they aren't removing 'my-msg.txt' after they're done using it, or that the remote recipient is vulnerable to those issues, but that's unrelated to the user interface focus of this post.