The "This message is from a mailing list. - Unsubscribe" currently takes up a lot of screen space!

While I like the option to easily unsubscribe, its not a task that I do often. So that feature should not take that much space.

Also the message "This message is from a mailing list" is not very helpflul since its already clear that this is the case for most mails.

The mail header currently has a lot of empty space (on large screen). Please change that feature so it stays aside and did not make the header larger.