That must be a wrong observation. ".Trash.Test" didn't exist, because ".Test" should be moved there. That looks expected to me. ".Test" itself did exist and the log didn't say anything else.
But I've already found the issue. My maildirs (created by a system management script) had unexpected permissions. While everything worked, Dovecot denied deleting such a folder because it didn't have the exact same permissions, albeit both accessible.
-Yves
Von: Steffen Kaiser Gesendet: Di, 2018-05-22 10:40 +0200
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On Mon, 21 May 2018, Yves Goergen wrote:
May 21 10:36:14 mond2 dovecot: imap(yg@****.de): Debug: Namespace : /var/mail/virtual/****.de/yg/.Test doesn't exist yet, using default permissions May 21 10:36:14 mond2 dovecot: imap(yg@****.de): Debug: Namespace : Using permissions from /var/mail/virtual/****.de/yg: mode=0700 gid=default May 21 10:36:23 mond2 dovecot: imap(yg@****.de): Debug: Namespace : /var/mail/virtual/****.de/yg/.Trash.Test doesn't exist yet, using default permissions
That's it.
Thunderbird shows an error message with: [CANNOT] Renaming not supported across conflicting directory permissions (0.000 + 0.000 secs).
Well, there is the first error, too:
yg/.Test doesn't exist yet
is it possible, that you are subscribed to a non-existant folder? Thunderbird (or some versions anyway) will display any subscribed folder, regardless if it exists or not.
Dovecot fails to both delete or rename non-existant folders.
Checkout the local file "subscriptions" in your mailbox storage. (Close any mail client before).
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