Scary thought.
You are most likely correct, but still scary sir. Then again 422 unread. whew You are probably correct to have him start over.
Hopefully a clean start will motivate to keep it manageable.
Part of my Time Management approach is OHIO. Only Handle It Once.
Started with paper and use it now with e-mails. (I probably don't have more than 10 pieces of paper in my office other than the HR required backup.
I file it away, delete and keep the ones I really have to follow-up on in the Inbox as Unread and maybe flag.
Or I may drop them on top of Tasks and create a task due in the future and delete the original.
If I have more than 20 e-mails in my Inbox or more than 6-7 Unread, I get antsy and I don't like getting antsy. Its all a matter of prioritization.
PS - I use to report to Bomberger and he figured out what I was doing and he would send his requests as "3rd request" on the first time. We got a laugh out of that in later years.