Google translation: "Setting for character encoding on UTF-8 is needed because I receive emails in French." Die Arbeit an UTF8 war im Gange, scheint aber ins Stocken geraten zu sein. Du könntest versuchen, die Frage im untenstehenden GitHub-Ticket zu stellen, um ihm wieder etwas Sichtbarkeit zu geben. Work on UTF8 was underway, but seems to have stalled. You could try asking the question in the GitHub ticket below to give it some visibility again. https://github.com/thunderbird/thunderbird-android/pull/10008