Yes, a notifier can be created that can check if an order is unfulfilled for a particular period and it will send an email to the customer. Click here to see configuration steps.
Yes, a notifier can be created to send emails in bulk to customers of unfulfilled orders created upto last 60 days. Click here to see the configuration steps.
Sure. we can provide a live demo of the app. Just send us a demo request to our support team (firstname.lastname@example.org). Also if required we can configure the app on behalf of you as per your use case.