Exchange Server 2019 is Microsoft’s proprietary mail and calendar server software. Exchange Server 2019 comes with a number of security updates when migrating from Exchange 2016, hence making it a better on-premise server option.

MS Exchange Server 2019 Product Highlights

• Enables external access to Exchange admin center (EAC) and the Exchange Management Shell to be blocked natively
• Employs dynamic memory cache allocation to optimize memory usage for active databases
• Prevents attendees from forwarding meeting invitations
• Provides end-users with additional Out of Office options
• Enables administrators to cancel meetings that were organized by a user who has left the company
• Enables administrators to assign delegate permissions
• Enables email addresses that contain non-English characters to be routed and delivered natively.
• Digital license
• Unlimited Device per User License