I have window 2000 professional, IIS 5 and smtp service. My computer is connected to cable internet service through two routers with no firewall. I try to put simple email text file (To, From , Subject, Body) to the PICKUP FOlder of mailroot. It moves to QUEUE Folder. Then after sometime goes back to BADMAIL.

I have check my badmail directory it is showning:

> Unable to deliver this message because the follow error was
e> ncountered: "This message is a delivery status notification that cannot
b> e delivered.".

> The specific error code was 0xC00402C7.

>
T> he message sender was <>.

>
T> he message was intended for the following recipients.
    [email protected]