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Microsoft MS-203 Exam With Confidence Using Practice Dumps

Exam Code:
MS-203
Exam Name:
Microsoft 365 Messaging
Vendor:
Questions:
394
Last Updated:
Mar 1, 2026
Exam Status:
Stable
Microsoft MS-203

MS-203: Microsoft 365 Certified: Messaging Administrator Associate Exam 2025 Study Guide Pdf and Test Engine

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Microsoft 365 Messaging Questions and Answers

Question 1

You have a Microsoft Exchange Online tenant that uses an email domain named @contoso.com.

You recently configured Microsoft 365 to use a new email domain named @fabrikam.com instead of @contoso.com

Users report that when they send email messages to external recipients, the messages are often erroneously identified as SPAM.

You verify that all the users can receive email successfully from other companies.

You need to reduce the likelihood that the email will be identified as SPAM by the external recipients.

What should you modify?

Options:

A.

a text (TXT) record

B.

a mail flow rule

C.

a remote domain

D.

a safe attachments policy

E.

a mail exchanger (MX) record

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Question 2

You recently implemented a hybrid deployment that contains a Microsoft Exchange Online tenant and an on-premises Exchange Server 2019 server named Server1. The public IP address of Server1 is 131.107.1.100.

The deployment is configured as shown in the following table.

Users hosted in Microsoft 365 report that they receive non-delivery reports (NDRs) when they attempt to send email messages to mailboxes hosted in Exchange Server 2019.

You need to ensure that the email is delivered successfully. The solution must ensure that email delivery is successful for all the users at your company.

What should you do?

Options:

A.

Configure the remote domain to use a value of contoso.com.

B.

Modify the MX record to point to the internal Exchange servers.

C.

Configure the Outbound connector to use a smart host of 131.107.1.100.

D.

Configure the accepted domain to use a value of *.

Question 3

You have a Microsoft Exchange Online tenant named contoso.com that uses Microsoft 365 Defender and contains a security group named Executives.

You perform the following tasks:

+ Configure a Strict protection preset security policy and apply the policy to the Executives group.

+ Create a Safe Attachments policy named Policy! and apply the policy to contoso.com.

You discover that Policy1 failed to apply to the Executives group.

You need to ensure that Policy1 is applied to all the members of the Executives group.

What should you do?

Options:

A.

Increase the priority of Policy1.

B.

Decrease the priority of Strict Preset Security Policy.

C.

Remove the Executives group from the Strict protection preset security policy.

D.

Modify the Strict protection preset security policy to match Policy! and assign the Strict protection preset security policy to contoso.com.