MS-203T00 Microsoft 365 Messaging

Microsoft Technical

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Course Length: 5 Days

Delivered: Virtually


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 IT Professionals who deploy and manage the messaging infrastructure for Microsoft 365 in their organization. This course may earn a Credly Badge.


This course is designed for persons who are aspiring to the Microsoft 365 Messaging Administrator role.


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.


After completing this course, students will be able to:


1 - Managing the Transport Pipeline

2 - Managing and Troubleshooting Mail Flow

3 - Managing Message Hygiene

4 - Managing Compliance

5 - Managing Organizational Settings

6 - Managing Mobile Devices

7 - Managing Role-Based Permissions

8 - Managing Recipient Objects and Resources

9 - Managing Public Folders

10 - Planning a Hybrid Environment

11 - Performing Mailbox Migrations

12 - Deploying and Troubleshooting a Hybrid Environment

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