Navigate to https://[exchange ipaddress]/ecp and logon to the Exchange Control Panel
From the Exchange Admin Center
Click compliance management in left menu
Click journal rules in top right menu
Click the + icon
In the name field , enter journal
In the field If the message is sent to or received from…, select Apply to all messages.
In the field journal the following messages.., select All messages
In the Send journal reports to field, enter journal@{Vaultastic domain-name} For example: journal@baya-in.vaultastic.com
Click Save to update the changes
On message window Do you want this rule to apply to all future messages, click Yes.