1. Log in to the D365 trial account.
![D365 trial]()
2. Go to Advanced Settings, Administration, and System Settings.
![Advanced Settings]()
![System settings]()
![Administration]()
3. Go to the Email Tab.
![Email Tab]()
4. Select Process Email Using to Server-Side Synchronization.
![Server-Side Synchronization]()
5. Again go to settings, Advanced settings, Email Configuration, and select Mailboxes.
![Email Configuration]()
![Mailboxes]()
6. Select Active Mailboxes view.
![Active Mailboxes]()
7. Select the mailboxes that you want to test and enable.
![Test and enable]()
8. On the command bar, select APPROVE EMAIL and then select OK.
![APPROVE EMAIL]()
9. Once approved, select TEST & ENABLE MAILBOX.
![TEST & ENABLE MAILBOX]()
10. On the confirmation dialog box, select OK.
![Confirmation dialog box]()
Thanks.!!