Manage permissions for recipients | Microsoft Docs
docs.microsoft.com › mailbox-permissionsMar 21, 2022 · On the mailbox properties page that opens, click Mailbox delegation and configure one or more of the following permissions: Send As: Messages sent by a delegate appear to come from the mailbox. Send on Behalf: Messages sent by a delegate have " <Delegate> on behalf of <Mailbox>" in the From address. Note that this permission isn't available in the EAC for shared mailboxes.
Manage resource mailboxes in Exchange Online | Microsoft Docs
docs.microsoft.com › manage-resource-mailboxesMar 24, 2022 · Use the new Exchange admin center (EAC) to create, modify, and manage your resources through email/delegation in your Exchange Online organization. There are two types of resources that admin can manage: Room mailbox is a resource mailbox that's assigned to a physical location, such as a conference room, an auditorium, or a training room. After an administrator creates room mailboxes, users can easily reserve rooms by including room mailboxes in meeting requests.