What is double opt-in?

Double opt-in is an email registration method in which a subscriber receives a confirmation email after they opt in to your email program.

Within the confirmation email, there is a link that the subscriber must click before they are added to your email list. If the subscriber does not click the link, they are not added to the email list. This helps decrease the possibility of subscribers receiving unwanted email and subscribing to an email list in error.

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