Microsoft · Role-Based

Microsoft 365 Certified: Messaging Administrator Associate

Level
Intermediate
Exam
MS-203
For
Administrator
Updated by Microsoft
5 Feb 2025

Warning This certification and the renewal assessment are retired. Learn more . Microsoft 365 messaging administrators manage a secure, efficient, and effective email collaboration platform using Microsoft Exchange Online and Microsoft 365. Messaging administrators plan, configure, and manage recipients, mail flow, threat protection, compliance, and client connectivity. Messaging administrators collaborate with administrators of other workloads, including security, compliance, identity, and networking, to implement a secure cloud messaging topology that meets the business needs of an enterpris

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