Click Start > All Programs > Microsoft Exchange Server 2010 > Exchange Management Console
Select the Microsoft Exchange On-Premises instance
Select Recipient Configuration
Below the Recipient Configuration, select Mail Contact
In the Action pane to the right, select New Mail Contact
On the Create Mail Contact window, select New Contact
Provide the new contact name as journal. Enter required information.
Select Edit located beside the new contact’s external e-mail address
A window appears prompting for an external email address. Enter the equivalent of journal@{domainprefix}.vaultastic.com
After entering the address, click OK. After returning back to the new contact dialog, select Next
Select new to create the New Mail Contact
Click the New button
Click Finish to return to the Exchange Management Console.