Warning: could not send message for past 1 hour

[Mail Delivery Subsystem]

    **********************************************
    **      THIS IS A WARNING MESSAGE ONLY      **
    **  YOU DO NOT NEED TO RESEND YOUR MESSAGE  **
    **********************************************

The original message was received at Mon, 30 Jun 2003 14:48:02 +0800 (CST)
from [61.149.0.181]

   ----- Transcript of session follows -----
<<< DATA
451 4.4.1 timeout waiting for input during message collect
Warning: message still undelivered after 1 hour
Will keep trying until message is 1 day old

Reporting-MTA: dns; mail.21dnn.com
Received-From-MTA: DNS; [61.149.0.181]
Arrival-Date: Mon, 30 Jun 2003 14:48:02 +0800 (CST)

Final-Recipient: RFC822; edit@mail.21dnn.com
Action: delayed
Status: 2.0.0
Last-Attempt-Date: Mon, 30 Jun 2003 16:48:15 +0800 (CST)

--- Begin Message --- Subject: Re: Movie Date: Mon, 30 Jun 2003 14:50:44 +0800

Please see the attached zip file for details.

your_details.zi
Description: Binary data

--- End Message ---