Irrelevant or inappropriate messages sent on the Internet to a large number of recipients.
How to know if you're being spammed
If an email has a title such as: "Reduce stress now!", "You just won!" or something similar, then there's a good chance you are being spammed. in this case the best option is to just press DELETE! you don't want to take the risk of having your computer infected by a virus just so you can see if you really did win something.