> 12. 7. 2020 v 22:37, Sami Ketola <sami.ketola at dovecot.fi>: > > I'm Apple user. I have separator set to / and I can create folders just fine without any encoding. Can you please record imap rawlogs where it shows what command your Mail.App is sending? I'll try on a test server. You're talking about subfolders too, right? Not just folders? -F