SMTP Folders When you install the SMTP service it creates the following default folder structure in order to process mail: As you can see from the screenshot above, the folder C:\inetpub\mailroot\ contains 4 folders; Badmail , Drop , Pickup & Queue . They are explained below in the order that messages are processed: Pickup The SMTP service will process messages in the Pickup folder as outbound messages and will attempt to deliver them. To demonstrate what happens when a message is placed in the Pickup folder, perform the following: 1 . Create a text file on your desktop called email.txt and paste the following into it, remembering to change the email address information to reflect your own details: From: blog@yourdomain.com To: email@yourdomain.com Subject: Email test This is the test body of the email . 2 . Save the changes to email.txt and then ...