You can select and check only public queues.
You can create Appointment, Task and SMS activities in addition to opening cases.
You can check your draft emails and work on them, also you can check the pending send and failed emails in the outbox.
The email will be set as completed in both inboxes, and the email queue item will be removed.
Dynamic Mailbox supports currently Microsoft Dynamics CRM 2016 and Microsoft Dynamics 365 for customer engagement online or on-premise.
Please note that Internet Facing Deployment (IFD) is needed for on-premise deployments.
A user can perform mostly all the out of the box actions that apply to a CRM email activity. Actions such as Reply, Reply All, Forward, Save, Delete, Convert To, Add to Queue, Queue Item Details, Share depending on your security role.