MS-203T00: Microsoft 365 Messaging

MS-203T00 Messaging Course

MS-203T00: Microsoft 365 Messaging is a well-structured 05 days (40 hours) instructor-led training program, assisting learners in embarking on their Messaging Strategist Career. If you are passionate about starting your new role as a Messaging Administrator, it is a high time to join MS-203T00 and kick-start or advance your professional trajectory. 

This course helps learners to elevate their skills and knowledge in Message transportation, Mail Routing and Circulation, Message Safety and Security, Hygiene and Conformity, Messaging Infrastructure and Hybrid Messaging. The course caters to learners seeking a job opportunity as a Messaging Administrator in a Microsoft 365 Deployment. It also facilitates the learning of Anti- Malware and Anti-Spam policies and mailbox migrations management.


  1120 Ratings

               2100 Participants

Group Discount

Upto 15% OFF

Microsoft Certified Trainers

Microsoft Official Curriculum

Microsoft Partner for Learning Solutions

Certificate of Attendance from Microsoft

MS-203T00 Microsoft 365 Messaging Course Overview

The 5-day MS-203T00 Microsoft 365 Messaging course clears the way to gain excellent skills in Messaging and Email. It gives you a wide range of learning related to deploying, configuring, troubleshooting, and securing the messaging infrastructure across hybrid and cloud enterprise environments. 
This course empowers you to control the management of the organization’s frameworks and resources; plan and manage the mail transmission architecture; set up a hybrid configuration and migration; and makes the messaging environment safe by securing the emails. It covers the key features of Microsoft 365 messages administration, including message dealing, mail flow, message security, hygiene and compliance, messaging infrastructure, and integrated messaging. 
Overall, the program will help learners understand threat protection in Microsoft 365 along with the policies, Defender configuration of Message Transport and its rules.

Learning options open a large window for learners to grasp knowledge more effectively. To ease your learning process, Vinsys provides various alternatives, providing you with comfort and convenience to choose as per your choice:

  • Virtual Instructor-led Training – VILT
  • Instructor-led training –ILT
  • Private Group Training and more.

You will also utilize supplementary benefits with Vinsys as we believe in client satisfaction and make it a priority to enrich your experiences to the maximum:

  • Live Interactive training sessions by Vinsys Training Experts with more than 02 decades of experience.
  • Recording of your class for 90 days is fully accessible
  • Online Laboratory for virtual practices.
  • Get access to the fully allocated Vinsys portal.
  • Get 24*7 learner assistance.

The course helps you prepare for MS-203 Examination. Vinsys’ course guide will help you understand what to prepare for the examination and help you with the relevant and updated topics. 

Course Curriculum

Target Audience

  • Messaging administrators working in various roles in organizations
  • Professionals with understanding of deployment, configuration, troubleshooting and security of the messaging infrastructure in a hybrid and cloud enterprise environment 
  • Professionals responsible for managing recipients, mailboxes, transport, and mail flow, administrative roles, threat protection, compliance, migrations, and client connectivity
  • Professionals executing a secure hybrid topology that suffices the organizational requirements of a modern enterprise 
  • Messaging Administrators working in cooperation with the Microsoft 365 enterprise administrator and workload administrators
  • Message administrators with experience in authentication types, licensing, and integration with Microsoft 365 applications

Course Objectives:

After the successful course completion, learners will understand the following:

  • Message security Management 
  • Email management and its application configuration
  • Exchange Online Protection
  • Anti-Malware and Anti-Spam policies
  • Messaging functions
  • Compliance Management in Microsoft 365
  • Hybrid deployment life cycle Management
  • Mailbox Migrations Management
  • Recipient objects and resources in Microsoft 365
  • Role-based permissions in Microsoft 365
  • Troubleshoot mail flow in Microsoft 365


  • Prior work experience as a Messaging Administrator.
  • Practical knowledge of authentication types, licensing, and integration with Microsoft 365 applications.
  • Learners are advised to go through MS-900T01: Microsoft 365 (M365) Fundamentals Course as it helps them understand Cloud Concepts and core Microsoft 365 services concepts

Read More..

Get in touch

By providing your contact details, you agree to our Privacy policy

Training Options


Virtual Instructor-led Sessions

  • Instructor-led Online Training
  • Experienced Subject Matter Experts
  • Approved and Quality Ensured Training Material
  • 24*7 Leaner Assistance And Support


Customized According To Team's Requirements

  • Customized Training Across Various Domains
  • Instructor-Led Skill Development Program
  • Ensure Maximum ROI for Corporates
  • 24*7 Learner Assistance and Support

Course Outline

a.    The transport components of the Exchange
b.    Plan an effective message routing for your organization
c.    Modify message flow for your organization
d.    Describe which transport agents exist and what they do

  • Configure the different transport options

a.    Plan and set up domains for your organization
b.    Understand how the receive and send connectors work

  • Understand what transport rules are

a.    Describe how transport rules work
b.    Configure custom transport rules
c.    Describe how transport rules can be used for data loss prevention

  • Manage mail flow in Exchange organizations

a.    Understand mail flow for Exchange Servers
b.    Manage mail flow for Exchange Online
c.    Describe and manage mail flow in hybrid environments

  • Understand how to troubleshoot SMTP mail flow issues

a.    Describe how to troubleshoot issues with a shared namespace
b.    Describe how to troubleshoot Transport Layer Security encryption issues
c.    Understand how Alert policies can be used to troubleshoot mail flow issues

  • Troubleshoot network-based issues

a.    Plan troubleshooting procedures for connector and agent issues
b.    Plan troubleshooting procedures for architectural issues
c.    Describe how to troubleshoot transport issues with coexistence

  • Create searches for the message tracking log

a.    Describe how to troubleshoot using the protocol logs
b.    Understand how to work with the event logging for Exchange

  • Explain the use and features of Exchange Online Protection

a.    Plan message routing for Exchange Online Protection
b.    Investigate the available EOP reports and logs that enable organizations to monitor message hygiene

  • Understand the different message header fields relevant to spam and spoofing protection.

a.    Configure anti-spam and anti-malware filters in Exchange Server
b.    Manage extra features for outbound spam filtering and quarantine
c.    Implement protection features against phishing and spoofing
d.    Create transport rules for custom requirements

  • Describe the threat protection features of Microsoft Defender for Office 365

a.    Understand how the Configuration analyzer reviews threat protection policies and provide suggestions for improvement
b.    Describe the protection provided by Safe Attachment and Safe Links policies
c.    Understand the spoof intelligence features provided by Exchange Online Protection
d.    Describe how Microsoft Defender anti-phishing policies work
e.    Understand the process of managing the Tenant Allow/Block list in Microsoft 365 Defender

  • Describe different policy and compliance features for messaging

a.    Evaluate the different administrator roles in Microsoft 365
b.    Plan retention policies for Exchange Online mailboxes
c.    Create message traces to understand the mail flow in your Exchange Online organization

  • Describe litigation and in-place holds in Exchange Server

a.    Plan retention and deletion with Message Records Management (MRM)
b.    Analyze your Exchange organization's message tracking log

  • Describe what in-place archiving is and how it works

a.    Understand the differences between journaling and archiving
b.    Identify how mailbox and administrator audit logs are used

  • Design content searches to search for messages in your organization

a.    Describe eDiscovery cases and in-place eDiscovery for Exchange

  • Configure password policy options

a.    Configure self-service password management
b.    Implement multi-factor authentication
c.    Plan password policies
d.    Configure modern authentication in Exchange Online

  • Configure workload policies and throttling

a.    Configure quota configurations
b.    Deploy Microsoft 365 Integrated apps

  • Provide an overview of Exchange federated delegation sharing features

a.    Describe federated sharing components
b.    Identify considerations for designing and implementing federation trusts and certificates
c.    Implement organization relationships
d.    Implement sharing policies

  • Describe how RBAC is used to assign roles to users

a.    Understand management role groups and their administrative tasks
b.    Assign the built-in management roles for messaging administration
c.    Create custom management roles and assign them through role assignment policies to users
d.    Troubleshoot RBAC management roles

  • Describe the built-in end-user roles

a.    Configure role assignment policies
b.    Create new custom roles and role assignment policies

  • Identify the differences between shared permissions and split permissions

a.    Describe multi-forest permissions
b.    Identify the differences between the permission models

  • Describe the different recipient objects in Exchange

a.    Examine how organizations use resource mailboxes
b.    Compare shared mailboxes to linked mailboxes
c.    Describe how recipients can be grouped together to improve collaboration
d.    Examine how organization public folders

  • Manage mailbox settings

a.    Manage resource mailboxes and shared mailboxes
b.    Create and manage mail contacts and mail users
c.    Manage permissions for recipients
d.    Create and manage groups
e.    Create and manage public folders

  • Describe address lists

a.    Create and manage address lists
b.    Describe address book policies
c.    Configure offline address books
d.    Describe email address policies

  • Describe connection options that are available for connecting on-premises Exchange to Microsoft 365

a.    List and describe components of a hybrid deployment
b.    Describe Azure Active Directory Connect (Azure AD Connect)
c.    Identify Microsoft 365 identity options for Exchange hybrid
d.    Compare Exchange delegated federation to OAuth

  • Plan for Exchange Hybrid configuration

a.    Describe Organization Configuration Transfer
b.    Explain Exchange Modern Hybrid and Hybrid Agent
c.    Plan mail flow options for a hybrid deployment
d.    Describe the prerequisites to run the Microsoft 365 Hybrid Configuration Wizard
e.    Explain best practices for implementing a hybrid deployment

  • Describe the purpose and functionality of Edge Transport servers

a.    Explain the infrastructure requirements for Edge Transport servers
b.    Describe the Edge Subscription process using EdgeSync
c.    Plan for message flow with an Edge Transport server

  • Manage a hybrid deployment

a.    Describe when you must configure Public Folder coexistence with Microsoft 365
b.    Explain how to configure OAuth for a mixed Exchange environment
c.    Describe how to configure OneDrive attachments for on-premises mailboxes

  • Troubleshoot directory synchronization

a.    Troubleshoot pass-through authentication and single sign-on
b.    Troubleshoot transport with Exchange Online
c.    Troubleshoot client access in coexistence
d.    Troubleshoot the Mailbox Replication service

  • Describe the migration and coexistence strategies with Exchange Online

a.    Describe considerations that affect which migration option to use
b.    Determine whether DNS MX records must be changed during a mailbox migration

  • Describe the requirements for an IMAP migration and how it’s carried out

a.    Move mailbox data using an IMAP migration

  • Describe the requirements for both cutover and staged migrations

a.    Identify the steps involved in running both cutovers and staged migrations
b.    Create and manage migration batches in the Exchange Admin Center

  • Import PST Files to Exchange Online mailboxes

a.    Migrate Public Folders to Exchange Online
b.    Plan for a cross-tenant mailbox migration
c.    Prepare target user objects for cross-tenant migration

Course Reviews


The course is a comprehensive guide on the core concepts of Microsoft 365 messaging administration, including message and mail transmission, messaging security, hygiene, and conformity, messaging infrastructure, and hybrid messaging. This course offers detailed information on Messaging management to the aspirants of Messaging Administrator in a Microsoft 365 deployment.

The degree of difficulty of this examination can be moderate to challenging, depending upon the learners' practice and knowledge. Vinsys’ experts try their best to assist learners comprehensively to help them pass the examination.

The passing Score for this examination is 700.

The exam is composed of 40-60 questions with a time limit of 120 minutes.

The learners who have prior experience as a messaging administrator and Microsoft 365 applications.

You can undertake the roles of Messaging administrator, Lead Exchange administrator, Messaging Engineer and more.

The course has duration of 5 days (40 hours).

Vinsys is global player in providing technical courses and certifications in several countries including India, Dubai, Canada, UK, and more. Our experts have more than 20 years of experience delivering professional excellence and expertise. Additionally, our customized courses are designed comprehensively to cater to changing industrial needs. Our unique facilities provide enriching experiences to our learners- making them a part of our long-term journey!