Yes! Angi does too. I've been catching most of them and deleting the duplicate. I haven't noticed yours yet. You must be cleaning them up yourself. I don't know if Josh is trying to figure out the problem or not.
It is driving me crazy. It didn't start until I got a new computer. F/B doesn't double post for me and I dont have a problem with email. I don't get it Grrrrrr....
It just started yesterday for me. I thought the first a flook but the second happen and I thought of Angi and well I was concedering it a tech problem.