Hover over EMAIL on the top of the screen and select MY EMAILS
Find the email you are interested in and click View Email Details
If you want to send a follow-up to all recipients, click the checkbox on the upper left side of the table.
If you want to follow-up with a few contacts, check the boxes beside those individuals' names.
Once contacts are selected, click Batch Follow-Ups
In the popup, confirm by clicking on Customize email & send
You will be redirected to start the promo invitation creation process. The promos and the contacts you want to follow-up with will already be selected in steps 1 and 2. Proceed through the rest of the process and send or schedule your email.