Permission denied UNIX perms appear ok (ACL/MAC wrong?))

Austin Witmer austin96 at
Sat Aug 20 15:03:59 UTC 2022

Is there any chance that high memory utilization could be responsible for some of these errors? I’ve noticed recently that my memory is running anywhere from 80-85%.

Austin Witmer

> On Aug 20, 2022, at 8:52 AM, Austin Witmer <austin96 at> wrote:
> Hello all!
> Recently I upgraded my mail server to Ubuntu 22.04 LTS and ever since then I am periodically getting some dovecot errors like the below in my mail log. As far as I can tell, my unix perms are just fine. What is ACL/MAC?
> Aug 20 14:41:58 mail dovecot: imap(user at <mailto:user at>)<56316><1NieGKPmuOdKwxVI>: Error: Mailbox INBOX: stat(/mnt/volume1/mailserver/plain/maildir/ <>) failed: Permission denied (euid=1000(austin) egid=1000(austin) UNIX perms appear ok (ACL/MAC wrong?))
> And here is the listing showing the permissions for that file.
> austin at mail:~$ ls -la /mnt/volume1/mailserver/plain/maildir/ <>
> -rwxrwxr-- 1 austin austin 15796 Aug 20 14:41 /mnt/volume1/mailserver/plain/maildir/ <>
> What in the world is causing these errors, and what can I do about them?
> Thanks in advance!
> Austin Witmer

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <>

More information about the dovecot mailing list