选择排除（opt-out），指各种允许个人选择避免收到不请自来的产品或服务消息的方法。

• Kenneth C.Laudon and Jane P.Laudon, 《Management Information Systems》, Pearson, 07 March 2011, Chapter4 Information systems Organizations and Strategy p.89

The term opt-out refers to several methods by which individuals can avoid receiving unsolicited product or service information. This ability is usually associated with direct marketing campaigns such as

, e-mail marketing, or direct mail. A list of those who have opted out is called a Robinson list.