Managing ActiveSync Mailboxes requires you to login as a "Domain Administrator".
Here are the steps on how to do so :
1. Login to https://sm01.hostcentral.net using the "Administrator Login Information"
provided in the welcome email.
2. After successfully logging in, click on "Domain Settings" -> "ActiveSync Mailboxes" on
the left navigation bar.
3. Click on the "Add" button to add a new ActiveSync mailbox.
This mailbox must be a valid user account.
To see all valid user accounts, click on "Domain Settings" -> "Users" on the left navigation bar.
Likewise, to delete a ActiveSync mailbox, check the corresponding account and click the "Delete" button.
4. Click on the "Save" or "OK" button to save all your changes.
Note:
For further help, please refer to product documentation guide at http://help.smartertools.com/SmarterMail/v15/.