This article will guide you on how to create Email Confirmation Sets (Opt-in/Opt-Out email)

Email Confirmation Set Name: (Put in name for your confirmation set)

Lists Which May Access this Confirmation Set: (Can choose multiple list)

You can apply either one or both:

Opt-In Confirmations: (Let recipient confirm their subscription)

Opt-Out Confirmations: (Let subscriber unsubscribe your mailing list)

Additional fields is available when you choose the selection, fill in the detail and click 'Add' to complete the process.