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

[Remo Mattei]

Try ls -laZ 

> Il giorno 20 ago 2022, alle ore 08:08, Erwan David <erwan at rail.eu.org> ha scritto:
> 
> Le 20/08/2022 à 16:52, Austin Witmer a écrit :
>> 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
> 
> Did you check wether your linux distribution uses SeLINUX or Apparmor ? In that case you would have to check their policy to give dovecot access to this directory.
> 
>