That link at the bottom of the email states that they unsubscribe you from the mailing list. Odd how I always seem to get more spam, but from different compani

That link at the bottom of the email states that they unsubscribe you from the mailing list. Odd how I always seem to get more spam, but from different companies, after I click one. Almost as though all I've done is confirm that the email address actually exists, and is therefore more valuable to sell on to others.