CAN-SPAM Act (United States): This law sets the rules for commercial email, establishes requirements for commercial messages, and gives recipients the right to stop you from emailing them. GDPR (European Union): The General Data Protection Regulation mandates that businesses must get explicit consent from individuals before sending marketing emails. CASL (Canada): The Canadian Anti-Spam Legislation requires businesses to obtain consent before sending marketing emails and provides guidelines on how to collect and manage this consent.