Navigate to the Digest portal at the top right of your dashboard screen and select your desired Digest (on the left). From here, you can opt to add a new Sender, remove an existing Sender, or adjust Filter settings for a given Sender. Remember to click the blue Save button at the bottom after making any changes.
To change the name, description or delivery settings for your Digest, click the gear icon to the right of the Digest name and select Settings to access the Digest settings modal. From here, the Digest name, description and delivery settings can all be edited and saved.