CAN-SPAM Act: A Compliance Guide for Business

Do you use email in your business? The CAN-SPAM Act, a law that sets the rules for commercial email, establishes requirements for commercial messages, gives recipients the right to have you stop emailing them, and spells out tough penalties for violations.

Read more here
https://www.ftc.gov/tips-advice/business-center/guidance/can-spam-act-compliance-guide-business