email and calendar app is disappearing and im forced to move to another email app. does thunderbird support: 1 - unified '''inbox'''? 2 - unified '''sent items'''? 3 - unified '''deleted items'''? 4 - unified '''drafts'''? 5 - unified '''junk email'''? 6 - unified '''archive'''? email and calendar app support unified '''inbox''', '''sent items''' and '''drafts'''.