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MS-203T00: Microsoft 365 Messaging

Last Updated: 04-02-2025

The MS-203T00: Microsoft 365 Messaging course is designed for IT professionals and system administrators who are responsible for managing and securing messaging environments in Microsoft 365. This comprehensive training will help you configure, manage, and troubleshoot Microsoft Exchange Online, Exchange hybrid environments, and Outlook integrations. You’ll also learn to handle mail flow, security, compliance, and message archiving within the Microsoft ecosystem.

As more organizations shift to cloud-based solutions, mastering Microsoft 365 messaging is essential for ensuring seamless communication across Outlook, Exchange, and other connected services. This course provides hands-on experience with configuring and managing Exchange Online, anti-malware and anti-spam policies, email routing, message compliance, and much more. Whether you're working with hybrid or fully cloud-based environments, MS-203 equips you with the necessary skills to ensure the reliability, security, and efficiency of your organization’s messaging platform.

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Schedule Learners Course Fee (Incl. of all Taxes) Register Your Interest
December 22nd - 26th
09:00 AM - 05:00 PM (CST)
Live Virtual Classroom (Duration : 40 Hours)
Guaranteed-to-Run
10% Off
$1,600
$1,440
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January 03rd - 17th
09:00 AM - 05:00 PM (CST)
Live Virtual Classroom (Duration : 40 Hours)
20% Off
$1,600
$1,280
January 05th - 09th
09:00 AM - 05:00 PM (CST)
Live Virtual Classroom (Duration : 40 Hours)
20% Off
$1,600
$1,280
January 12th - 16th
09:00 AM - 05:00 PM (CST)
Live Virtual Classroom (Duration : 40 Hours)
20% Off
$1,600
$1,280
January 19th - 30th
06:00 AM - 10:00 PM (CST)
Live Virtual Classroom (Duration : 40 Hours)
20% Off
$1,600
$1,280
January 26th - 30th
09:00 AM - 05:00 PM (CST)
Live Virtual Classroom (Duration : 40 Hours)
Guaranteed-to-Run
20% Off
$1,600
$1,280

Course Prerequisites

  • Familiarity with Microsoft 365 concepts, including Exchange Online, Outlook, and Microsoft Teams.
  • Basic knowledge of Active Directory and Windows Server administration.
  • Understanding of networking fundamentals and email protocols like SMTP, IMAP, and POP3.
  • Prior experience with Exchange Server and Microsoft 365 services (such as MS-100: Microsoft 365 Identity and Services) will be helpful.
  • Familiarity with PowerShell for administering Microsoft 365 environments.

 

Learning Objectives

By the end of the MS-203T00: Microsoft 365 Messaging course, you will be able to:

  1. Configure and manage Exchange Online, including creating and managing mailboxes, shared mailboxes, and resource mailboxes.
  2. Plan and configure mail flow to ensure proper delivery of email messages both internally and externally across your Microsoft 365 environment.
  3. Set up and manage anti-malware and anti-spam policies, ensuring the security of your messaging system.
  4. Configure and manage message compliance policies, such as Data Loss Prevention (DLP), Retention, and eDiscovery in Exchange Online.
  5. Implement and manage hybrid Exchange environments, ensuring seamless coexistence between on-premises Exchange and Exchange Online.
  6. Troubleshoot common mail flow issues, including message delivery failures, and resolve permission-related issues in Exchange Online.
  7. Implement and manage client access settings for secure Outlook and Exchange client configuration.
  8. Design and implement message archiving strategies, ensuring proper retention and access to archived messages.
  9. Use Microsoft 365 admin center and PowerShell for advanced configuration and automation of Exchange Online tasks.
  10. Understand how to configure and manage mail routing and connectors to ensure a seamless email experience across hybrid or cloud-only Exchange environments.
  11. Ensure security and compliance of email messages with built-in tools like Exchange Online Protection (EOP) and Microsoft Defender for Office 365.
  12. Prepare for troubleshooting and support in Exchange Online environments, including diagnostic tools and error resolution techniques.

Target Audience

This course is ideal for:

  • IT professionals responsible for managing and securing Microsoft 365 messaging platforms, including Exchange Online.
  • Messaging administrators who need to deploy, configure, and maintain email systems in Microsoft 365.
  • System administrators who oversee hybrid environments and want to ensure smooth integration between on-premises Exchange and Exchange Online.
  • Security professionals who are responsible for ensuring email security, compliance, and data protection within Microsoft 365 messaging services.
  • Exchange administrators looking to enhance their knowledge of cloud-based messaging systems and hybrid setups.
  • Support engineers responsible for troubleshooting Exchange Online, mail flow issues, and user mailbox configurations.

Course Modules

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