You only should send messages to recipients in your very own Firm who may have mailboxes in Microsoft 365 or Office 365; you don't need to ship emails to people outside of your Group. Cloud economics Make your business case for the cloud with crucial economic and technological assistance https://itsupportservices11009.snack-blog.com/26633695/how-plesk-migration-can-save-you-time-stress-and-money