SMTP Folders in IIS 6

When you install the SMTP service it creates the following default folders in order to process mail: The folder C:\inetpub\mailroot\ contains 4 folders; Badmail, Drop, Pickup & Queue. Pickup: The SMTP service will process messages in the Pickup folder as outbound messages and will attempt to deliver them. Drop: Incoming messages intended for the local domain are placed in the Drop folder….