Hello, I’m new, I hope I can help.
I have tested the email and I like the way it looks.
What I find somewhat annoying is that they are grouped by default without being able to configure it to taste. For example, the imbox folder contains all the imboxes of my accounts, which is fine, but it would also be good to be able to have the accounts separately but be able to see them as This is the case of thunderbird.