This law requires anyone sending commercial emails to include an unsubscribe link within each one, include the company’s physical address or P.O. Box as well, and to honour any subscriber’s request to unsubscribe by never emailing them again. Noncompliance with this law can be as high as $300 per email recipient.

Building a Highly-targeted Opt in List: When Money Lies Beneath the Lists
Are you successful with your Internet business? Better yet, do you think you are successful with your online business? When most online entrepreneurs are asked with these questions, they often brush it off.