Let’s check the headers of full-disclosure source message:

‘Received: from pc ([68.99.55.98]) by Safe-mail.net with https’

pointing to Cox Communications broadband address
http://whois.domaintools.com/68.99.55.98

From Safe-mail.net’s terms:

As a result, we include the originating IP for free users. Premium users retains their IP private.

So, at least we know they didn’t steal someones e-mail account, just their IP address. If I had to guess I’d say that cox cable customer’s computer has a bad case of the malware and is now a spam zombie. Although it is totally possible that the person who sent the e-mail is a complete r tard.

how do you see the headers?

—good question!