Top 25 E-mail Marketing Terms You Should Know

Opt-out (or unsubscribe): To opt-out or unsubscribe from an e-mail list is to choose not to receive communications from the sender by requesting the removal of your e-mail address from their list.

Permission-based e-mail: E-mail sent to recipients who have opted-in or subscribed to receive e-mail communications from a particular company, Web site or individual. Permission is an absolute prerequisite for legitimate and profitable e-mail marketing.