• Lead Generation

• Email Delivery

• List Management

1. NO false or misleading email header information.
   
   
2. NO deceptive subject lines
   
   
3. Opt-out method for each and every recipient.
   
   
4. Sender's valid physical postal address included
   
   
5. NO  sexually explicit material allowed in the email message.
   
   
6. Plus many rules..

http://www.ftc.gov/bcp/conline/pubs/buspubs/canspam.shtm