Unfortunately, we can only show you if the email has been opened by some or all recipeints. You cannot see which individual has opened your email if you send to multiple recipeints. Flashissue Tracker works best when sent to one recipient.
The way Flashissue Tracker works, you are given a color (gray, yellow, green) that shows if every thread in your email has been opened. To better understand the meaning of the colors, please see below:
Every Thread has been Opened
Some Threads have been Opened