If the [email protected] account is a distribution group then see the url below for instructions:
Instructions on updating Send As rights, using Exchange 2007 or higher…
Open Exchange Management Console. Go to Recipient Configuration -> Mailbox
Right click on the mailbox that we need permission to, and go to Manage Send As Permission.
Click Add, and add the CEOJuice mailbox.
**For Hosted Exchange Instructions are:
In the Exchange admin page, open up the mailbox and go to Delegation. Then add CEOJuice to the Send As permissions box.