more on the situation
the site is a contest/free lottery site. the emails have different nicknames ($10,000 givaway, $50k Tonight, Free Bonus Points, Lower Insurance Rates, etc.), but all come from the same place (i.e. offers@xyz.com)
The site does indicate that if you unsubscribe and...
a while back i registered on a website and continue to get promotional emails. I have unsubscribed many times and have documented all the confirmations.
can i sue them because they won't take me off their emailing list and continue to email me their promotions after I have unsubscribed?