Mail is Slow and lagging.
Since last update with MacOS Monterey, when I open Mail, everything is slow. (In the mail app) I get the color circle every 20-40 second. Spend hours with Apple tech. This is happening on my labtop and desktop. I used Google mail and Microsoft Exchange for work email. We have reinstalled the software and did numerous things with apple tech, and still, not fixed. Its only in mail, everything else on both computers are fast and working great. I have removed all my emails and it's still happening. Mail is extremely slow to response. HELP!
iMac Pro, macOS 12.3