Microsoft 365 | Setting Up External Email and Distribution List in Teams
Instructions
From the Microsoft Teams desktop application, select the team you want to modify and go to the General channel
While on the General channel, click on the ellipsis next to Team Name > General, above the tabs
Select Open in SharePoint from the drop-down menu
Alternatively, you can navigate in a web browser to https://mnscu.sharepoint.com/teams/MPLS-"Team Name"/, where Team Name is the name of the MS Team you wish to configure.On the left-side Navigate, select Conversations. This will open Outlook
Click on the ellipsis by the Team Name. Select Settings
Group Settings will open on the right-hand side. Customize these settings to the Teams' preferences. Receive all email and events acts as full distribution group.
Select Edit Group from the Group Settings menu
Select Let people outside of the organization email the group
Click Save