Poster Inbox
This visually oriented alternative to the regular email Inbox view breaks all your productions down so you can oversee them in a more focused manner.
Anything that has unread notifications will be listed under the Has Notifications section at the top of the page. This can be minimized at any time to show the section for All Productions.
That contains everything that you're across, regardless of whether it's got new messages, and you can hop into any production at any time to see its old messages. Clicking any poster will bring you to the Inbox for that specific production, with all the standard message sorting filters and options.
You can find more information about that view and how to navigate it in our article on the Email Inbox View.