What are opt-out lists also known as, and what is their main purpose?

Opt-out lists are commonly referred to as suppression lists. Their primary purpose is to maintain compliance with regulations concerning marketing communications, particularly those that involve unsolicited contact. These lists include the names and contact details of individuals or entities that have expressed a desire not to receive further marketing materials or communications. By using suppression lists, businesses can ensure they respect the preferences of consumers and avoid potential legal issues that arise from violating "Do Not Contact" requests. Compliance with such lists is crucial for upholding a company's reputation and legality in its marketing practices. This understanding is essential as it reflects the need for ethical communication strategies in real estate and other fields.