[horde] Shared mailboxes

[sysadmin at grouchysysadmin.com]

On 4/13/20 11:24 AM, AdamR.Med wrote:
> Side info - IMP has ACL set to true
>

Adding 'acl' => 'true', to the imap configuration in 
imp/config/backends.local.php should be all you need. That's assuming 
the IMAP server is also configured correctly.