First, let's talk about the law. There are many rules about sending emails. For instance, the CAN-SPAM Act in the United States sets rules for commercial emails. This law says that you must have a way for people to unsubscribe. It also says that you must not use false or misleading header information. Another big law is the GDPR in Europe. GDPR stands for General Data Protection Regul... b2breviews.club