The latest issue of Vipre Security News contains some articles on email spoofing and what to do if your email account is hijacked.
… email spoofing is the forgery of an email so it appears to be coming from someone other than the actual source. Spammers often use spoofing to get folks to open and potentially respond to their missives. Then there are those unfortunate folks who have seen their email accounts hijacked by hackers and taken over for nefarious purposes.
Email spoofers want you to look at their emails, download malicious software, or click on things you should not be clicking on and taking you places you don’t want to go.