Send classifications include these components: Delivery Profile Sender Profile You create the delivery profile and sender profile separately before you create the send classification. Sender Profile A sender profile within Marketing Cloud Setup specifies the From information for a send in a central location. Marketing Cloud Email reuses that information across multiple sends without requiring selection each time. The sender profile contains the name and address that the message appears to be from in the subscriber's email client. Delivery Profile A delivery profile within Marketing Cloud Setup specifies the delivery information for a message in a central location. Marketing Cloud reuses the information, across multiple sends, without requiring selection of the information each time. When you create a delivery profile, specify the IP address to use. If you do not use a private domain, you select the account default. If you use one or more private domains, you can select the privat...