Your company has a Microsoft subscription.
The Microsoft 365 tenant uses a domain named contoso.com.
You need to ensure that team channels can receive email only from users in the company and email addresses that use an email domain named @fabrikam.com.
What should you modify?
A. the External collaboration settings in the Azure Active Directory admin center
B. the list of accepted domains in Microsoft Exchange Online
C. the org-wide Teams settings
D. the global teams policy
I agree
https://docs.microsoft.com/en-us/microsoftteams/enable-features-office-365#:~:text=apps%20in%20Teams.-,Teams%20org%2Dwide%20settings%20in%20the%20Microsoft%20Teams%20admin%20center,then%20select%20Org%2Dwide%20settings.