Email Spoofing
"I found out from returned "undelivered" email that those address does not exist in my lists--in the first place, I have never sent them".
Does this sound familiar?
If so then you have been a victim of "Email Spoofing".
These deceptive emails are called "Spoof Emails" because they fake the appearance of a popular Web site or company in an attempt to commit identity theft. Also known as "hoax" or "phishing" emails, this practice is occurring more and more frequently throughout the online world.
To find out more about email spoofing and the potential effects of it on you read this article from Deb Shinder.

