Customizing send permissions for Exchange Online dynamic distribution groups
Use the Send on behalf of send permission to specify which users can send messages on behalf of the distribution group.
To modify the send permission for dynamic distribution groups
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In the Manager, select the Azure Active Directory > Tenants > <Azure Active Directory tenant> > Exchange Online administration > Recipient configuration > Dynamic distribution groups category.
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Select the dynamic distribution list in the result list.
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Select the Assign send authorizations task.
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Select the table which contains the user from the menu at the top of the form. You have the following option:
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In the Add assignments pane, assign users.
TIP: In the Remove assignments pane, you can remove assigned users.
To remove an assignment
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Save the changes.
Specifying moderators for Exchange Online dynamic distribution groups
Moderated distribution groups let a moderator approve or deny messages sent to a dynamic distribution group. Only after a message has been approved by a moderator can it be forwarded to members of the dynamic distribution group.
To specify moderators for a dynamic distribution group
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In the Manager, select the Azure Active Directory > Dynamic distribution groups category.
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Select the dynamic distribution list in the result list.
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Select the Assign moderators task.
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Select the table which contains the user from the menu at the top of the form. You have the following options:
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Mailboxes
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Mail contacts
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Mail users
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In the Add assignments pane, add the moderators.
TIP: In the Remove assignments pane, you can remove assigned moderators.
To remove an assignment
- Save the changes.
Adding Exchange Online mail-enabled distribution groups to Exchange Online dynamic distribution groups
To add a dynamic distribution groups to mail-enabled distribution groups
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In the Manager, select the Azure Active Directory > Tenants > <Azure Active Directory tenant> > Exchange Online administration > Recipient configuration > Dynamic distribution groups category.
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Select the dynamic distribution list in the result list.
- Select the Assign mail-enabled distribution list task.
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In the Add assignments pane, assign mail-enabled distribution groups.
TIP: In the Remove assignments pane, you can remove assigned mail-enabled distribution groups.
To remove an assignment
- Save the changes.
Related topics
Deleting Exchange Online dynamic distribution groups
The dynamic distribution group is permanently from the One Identity Manager database and Exchange Online system.
To delete a dynamic distribution group
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In the Manager, select the Azure Active Directory > Tenants > <Azure Active Directory tenant> > Exchange Online administration > Recipient configuration > Dynamic distribution groups category.
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Select the dynamic distribution list in the result list.
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Click 
in the result list.
- Confirm the security prompt with Yes.
.