I am trying to give a user access to read roots mail with the setfacl. So I do:
setfacl -m u:ben:rw /var/spool/mail/root
It works for a while, then suddenly ben cannot read the file anymore.
displays this while it works:
And this when it doesn't:
What is this #effective and why does it keep happening after a short time. My filesystem is mounted with the acl option.