I am a mac user with Apple Mail as well I do not have any issues in creating new folders. I am also using qmail as my smtp.
Remo > On Jul 12, 2020, at 1:36 PM, Sami Ketola <sami.ket...@dovecot.fi> wrote: > > > >> On 11. Jul 2020, at 22.50, Filip Hajný <fi...@hajny.net> wrote: >> >>> I just created a subfolder in Apple mail. It shows up on the server as >>> .list.Subfolder >>> I drug your message into the folder, and the message shows up in Mail.app >>> and shows up in the subfolder on the server >>> >>> # ls -lnR .lists.Subfolder [10:40] >>> [/usr/local/virtual/krem...@kreme.com/Maildir] >>> total 56 >>> drwx------ 2 89 89 512 Jul 11 10:41 cur >>> -rw------- 1 89 89 21 Jul 11 10:41 dovecot-keywords >>> -rw------- 1 89 89 109 Jul 11 10:41 dovecot-uidlist >>> -rw------- 1 89 89 1924 Jul 11 10:41 dovecot.index.cache >>> -rw------- 1 89 89 868 Jul 11 10:41 dovecot.index.log >>> -rw------- 1 89 89 0 Jul 11 10:35 maildirfolder >>> drwx------ 2 89 89 512 Jul 11 10:35 new >>> drwx------ 2 89 89 512 Jul 11 10:41 tmp >>> >> >> I’ve created a test server and found out that the driving factor is what the >> namespace `separator` is set to. If set to /, Apple Mail gets confused and >> URL-encodes it when creating a new folder. If the separator is blank (as set >> by default) or set to e.g. a dot, everything works just fine. >> >> Based on example and docs I found, a slash character should be good or even >> recommended, suggesting this is some kind of bug in Apple Mail, but I’m not >> versed enough in the IMAP related RFCs to understand. > > 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? > > Sami
