The Pickup directory is created on every Exchange 2007 computer on which you deploy either the Hub Transport server role or the Edge Transport server role. When you copy correctly formatted e-mail message files in that Pickup directory thay will be submitted instantly for delivery. The Pickup directory can be very useful for you to test mail flow, or for any application that requires the ability to submit messages via Exchange.
To configure an e-mail to make sure it will be processed and delivered, you need to format it according to the settings given in Request for Comments (RFC)-822.
this is a test.
For more information:
– EX2000: How to test outbound mail flow with a file in the Pickup folder
– EX2007: How to Configure the Pickup Directory
– RFC 822 – STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES