You could do userdb { driver = username_format=%Lu passwd-file args = /etc/dovecot/share.passwd }
# /etc/dovecot/share.passwd t...@onnet.ch::::::: userdb_acl=vfile:/etc/dovecot/dovecot-acl userdb_acl_globals_only = yes should prevent the user from modifying any ACL files. Aki On 05.08.2018 17:04, Simeon Ott wrote: > Hello > > Is it possible to limit the ability of sharing it’s own mailboxes to > only a few users? > We have a few sensitive mailboxes of users where the ability to share > via IMAP SETACL should be prevented. > > I tried the following so far… > doveadm acl remove -u t...@onnet.ch <mailto:t...@onnet.ch> INBOX > user=t...@onnet.ch <mailto:user=t...@onnet.ch> admin > > but when doing this the admin rights are still there > doveadm acl rights -u t...@onnet.ch <mailto:t...@onnet.ch> INBOX > vmail@buserver:~$ doveadm acl rights -u t...@onnet.ch > <mailto:t...@onnet.ch> INBOX > Rights > > lookup read write write-seen write-deleted insert post expunge > create delete admin > > Thanks in advance for your help > Simeon