Programming & Development

MS-203T00 Microsoft 365 Messaging


This course examines the key elements of Microsoft 365 messaging administration, including message transport and mail flow, messaging security, hygiene, and compliance, messaging infrastructure, and hybrid messaging. This course is designed for persons who are aspiring to be Messaging Administrators in a Microsoft 365 deployment.

Who Should Attend
The Messaging Administrator deploys, configures, manages, and troubleshoots recipients, permissions, mail protection, mail flow, and public folders in both on-premises and cloud enterprise environments. Responsibilities include managing message hygiene, messaging infrastructure, and hybrid configuration and migration. To implement a secure hybrid topology that meets the business needs of a modern organization, the Messaging Administrator must collaborate with the Security Administrator and Microsoft 365 Enterprise Administrator. The Messaging Administrator should have a working knowledge of authentication types, licensing, and integration with Microsoft 365 applications.

Course Objectives
Manage the transport pipeline in Microsoft 365
Manage and troubleshoot mail flow in Microsoft 365
Manage message security
Manage compliance in Microsoft 365
Manage your Microsoft 365 messaging environment
Manage role-based permissions in Microsoft 365
Manage recipient objects and resources in Microsoft 365
Manage the hybrid deployment life cycle
Manage mailbox migrations

Course Outline:

Explore transport services
Configure message transport
Manage transport rules
Manage mail flow
Troubleshoot mail flow
Troubleshoot transport issues
Troubleshoot mail flow using logs
Plan for message security
Manage anti-malware and anti-spam policies
Explore threat protection in Microsoft 365 Defender
Explore messaging compliance in Microsoft 365
Explore messaging compliance in Exchange
Manage Exchange Online archiving and auditing
Manage content search
Manage authentication for messaging
Configure organizational settings
Configure organizational sharing
Manage administrator roles
Manage user roles
Analyze role-based permissions
Explore the different types of Exchange recipients
Create and manage Exchange recipients
Manage email addresses, lists, and resources
Explore Exchange hybrid deployment requirement
Plan and configure a hybrid deployment using the Hybrid Configuration Wizard
Provide a gateway for Internet email using Edge Transport servers
Implement advanced hybrid functionality
Troubleshoot hybrid deployments
Plan mailbox migrations
Run IMAP migrations
Run cutover and staged migrations
Run advanced mailbox migrations

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