[Dovecot] IMPORTANT: Disables 'any' and 'all authenticated' ACL settings! See wiki how to revert this, if you need it.

data/conf/dovecot/dovecot.conf

@@ -255,7 +255,8 @@ protocol sieve {
   managesieve_logout_format = bytes=%i/%o
 }
 plugin {
-  acl_anyone = allow
+  # Allow "any" or "authenticated" to be used in ACLs
+  #acl_anyone = allow
   acl_shared_dict = file:/var/vmail/shared-mailboxes.db
   acl = vfile
   quota = dict:Userquota::proxy::sqlquota