Quotes are shared across the team, and signing in records who entered what. Connecting a mailbox is a separate step, from Settings.
or
A sample mailbox and a book with work in it. Nothing here is real freight, and no account is needed.Signs you in as the demo operator. It reads a fixed sample mailbox rather than a real one, cannot send email, and sees the shared demo workspace - so anything you make there is visible to other demo users until you reset it.