via https://www.reddit.com/r/selfhosted/comments/u2rw3j/trying_to_leave_gsuite_behind_how_to_show_remote/
via https://doc.dovecot.org/main/installation/upgrade/2.3-to-2.4.html
via https://www.reddit.com/r/Thunderbird/comments/1ql42ei/linux_thunderbird_147_creates_an_empty_folder_in/
