Have MailChimp notify Ascriptica if someone sub/unsubscribes.:

Sometimes Mailchimp provides the user the ability to subscribe or unsubscribe from your notifications. The following steps are necessary for MailChimp to let us know when that has happened so we can keep mailchimp and Ascriptica in sync.

• On left menu bar expand “Audience Menu” and click on “Subscriber preference”
• On settings menu click on “Webhooks” sub menu
• Click on Create New Webhook
• Set values like below and “Save”