Thank you for using WebPaws.com’s accumulated and growing Dictionary on Internet and Web Definitions. This database of Internet and Web Definitions have been written and compiled for our clients and users convenience and education. If you have any new entries you’d like to contribute or corrections/additions to existing definitions, please submit them to: email@example.com. Thank you!
Select all words
Definition of Opt-in
|When a person chooses to receive an email such as an email newsletter or email advertisement. This is required for all direct email marketing.||