> it's mainly a nice skin over Thunderbird I’m wondering how much of it is under MPL then. The only reference I found is this: https://www.postbox-inc.com/cove

> it's mainly a nice skin over Thunderbird I’m wondering how much of it is under MPL then. The only reference I found is this: https://www.postbox-inc.com/coveredcode https://www.postbox-inc.com/coveredcode