From your Goodshuffle Pro dashboard, locate the "Messages" tab.
After selecting the "Messages" tab, you'll be able to view your project list with projects that have message threads.
From here, select the project where you want to view the email delivery status.
After opening a project, you can view the delivery status by selecting the blue arrow to the right of the recipient address line.
From here, you will be able to view both the delivery and read status of your emails.