RE: public mailbox filesystem layout + permission best practice

I have some issues testing public mailboxes with linux users and groups

creating mailboxes for users for the first group is not really a problem:

doveadm -o mail_gid=testgroup2 mailbox create -u usertest public/publictest1 doveadm -o mail_gid=testgroup2 mailbox create -u usertest6 public/publictest2 doveadm -o mail_gid=testgroup2 mailbox create -u usertest2 public/publictest3

If I remove usertest6 from testgroup2 roundcube instantly stops showing these mailboxes.

correction. When I chmod o+rwx on folders 'mdbox' 'storage' 'mailboxes' usertest6 is getting to see ALL mailboxes.