your entry last month has won go to www.target.com.mswl.biz/?claimod=111 and enter your winning code: 6655 to claim your free 500 targetgiftcard tue, july 10, 2010 5:15pm
I got the same message as well. I'm sure it is a scam because any random series of numbers and letters is a winning code. More importantly, I don't remember entering any sort of contest dealing with target last month.