Thanks, but I just switched back. Just far too bad performance (for my use case of ten-thousands of mails in subfolders), and as a bonus a spam filter that igno

Thanks, but I just switched back. Just far too bad performance (for my use case of ten-thousands of mails in subfolders), and as a bonus a spam filter that ignores actual spam, but marks real mails as spam consistently. The interface is far nicer than outlook, but the performance is just too annoying for me.