Dec 07, 2017 · Nearly every business has use cases for a shared mailbox. Prior to Microsoft including shared mailboxes in Outlook and later Office 365, admins would instead use distribution lists, mail forwarding, or even public folders to allow multiple people to see an email.
Configure OFFICE 365. Create Outbound Connector. Sign-In to the O365 Admin portal. Navigate to Admin > Exchange. This will launch Exchange Admin Center. Click Mail Flow > Connectors. Click + to access menu. For From select Office 365. For To select Partner Organization. Click Next. Enter a value for Name (e.g. Proofpoint Essentials).