Hi Daniel,
The email originated from the IP address 93.112.80.70
The IP Address 93.112.80.70 has the reverse DNS of mobile-3G-dyn-BU-80-70.zappmobile.ro.
The county code RO is Romania
The information above, the fact that you were not expecting the emails, along with the rest of the contacts of the attachment guarantee you are receiving phishing scams. Also please be careful since there are several craigslist variations in the email for example craigsliste instead of craigslist designed to trick you into thinking it is a legitimate email. Do not reply to the email. Report it as Junk/Spam/Phishing.
If you want to go one step further you can submit an abuse report with the headers you posted to the ISP that provides the spammers internet connection. Zappa Mobile does not have a properly identified abuse contact in their whois data but you can try
abuse@zappamobile.ro.
to Email Questions!