Cannot delete folder

Yves Goergen nospam.list at
Fri Mar 9 10:48:00 EET 2018

Ehm, really, no. There is only one volume and the entire directory 
structure in in the main file system. That clearly is not the case.

I'm wondering why the directories have different permissions in the 
first place. Where are they defined?



Von: Aki Tuomi
Gesendet: Mi, 2018-03-07 10:50 +0100

On 06.03.2018 21:55, Yves Goergen wrote:
> Hi there,
> I cannot delete IMAP folders in new mailboxes. When trying to delete a
> folder in Thunderbird I get the error message "renaming not supported
> across conflicting directory permissions". Looking up the error on the
> web led me to checking the mailbox directory's permissions. They're
> inconsistent in new mailboxes. While every single directory in an old
> mailbox has "drwx--S---", some of the directories in a new mailbox
> have "drwxr-sr-x" instead. I'm not sure what that means. The folders
> with the later permissions are "Drafts", "Sent" and "Trash". Folders
> with the first permissions are "Junk", "Archives" and "Archives.2018".
> All folders were created by Thunderbird automatically. Now I wanted to
> delete "Archives.2018".
> What's the issue here? Why do folders created by the same MUA in the
> same event on the same mail server have different permissions and why
> can't I delete one of them (which would probably move it into the
> trash folder first)?
> Dovecot version is 2.2.22 on Ubuntu 16.04, Thunderbird is 52.6.0 on
> Windows 10.
> -Yves

Your problem is that your Trash folder appears to be on different volume
than the folder you are attempting to delete.


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