There is a visual indication of a complete email addresses: each correct/complet...

		ronjouch on July 17, 2020 \| parent \| context \| favorite \| on: What’s New in Thunderbird 78 There is a visual indication of a complete email addresses: each correct/complete email address is wrapped in a "pill", a light gray one (see OP screenshot). An incomplete email will similarly get wrapped into a dark red pill. Your comment maybe indicates the gray is too subtle, or invisible to users with bad eyesight.

You are correct! Somehow I did not see that detail. Good that they thought of this.