Thanks for letting me know. Based on Invite, edit, and remove users an admin cannot necessarily change a user's email address:
"You can only edit details for your users' accounts if they have managed accounts for a domain that you've verified."
It looks like the user can make the change, though:
As an admin, I have tried to change a user's email, but it says, "This featue is temporarily unavailable. Please try again later." The user themselves also cannot change their email address. Is there any way to get an email address changed or is something donw right now?
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