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

[spi]

Am 20.08.22 um 16:52 schrieb Austin Witmer:
> 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 domain.com)<56316><1NieGKPmuOdKwxVI>: Error: Mailbox INBOX:
> stat(/mnt/volume1/mailserver/plain/maildir/domain.com/user/dovecot.index.log
> <http://domain.com/user/dovecot.index.log>) 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/domain.com/user/dovecot.index.log
> <http://domain.com/user/dovecot.index.log>
> -rwxrwxr-- 1 austin austin 15796 Aug 20 14:41
> */mnt/volume1/mailserver/plain/maildir/domain.com/user/dovecot.index.log
> <http://domain.com/user/dovecot.index.log>*
>
> What in the world is causing these errors, and what can I do about them?
>
> Thanks in advance!
>
> Austin Witmer


Do you use any ACLs? Is this just a block device mounted or do you use
any network file sharing like nfs?

ACLs you can check by 'getfacl foo'.

--
Cheers
spi