I have had several similar to the one in your link, but the addressee in the e-mail wasn`t me - at least in the visible bit.
The `Amazon` address also looked a bit suspect.
The content of the e-mail was confirmation for the order of a Sony VAIO laptop/notebook.
Perhaps the idea is that you contact `Amazon` to advise them you have received the subject e-mail in error and in doing so leave yourself wide open. So anyone attempting to be helpful .....
There really are some devious ****** out there.