Know who from the team opened the email on a board (Because it becomes unread for all board members, but we don't know who opened it)
under review
C
Cesar Sarapka
Duda Bardavid
under review
L
Lance Baron
It appears that if somebody reads an email on the drag board, it shows as read for other users. This means that other users do not get alerted that there are new emails on the drag board as there is no number next to the board name on the lefthand side of your Gmail window