Eric Jones drives everyone nuts. It's obviously the work of a mind-crippled freak with some knowledge how to get round the captcha. The content of the message is all fake. It's surprising Google does not shut down his email account - it's not as if the issue is unknown.
More to the point, and sadder still, is the ongoing manner in which Prestashop treats its customers. This should be a quick fix and not even a payable module.