NDR for a perticuler domain

  • From: "Zafar Pravaiz" <pzafar@xxxxxxxxxxx>
  • To: exchangelist@xxxxxxxxxxxxx
  • Date: Tue, 24 Sep 2002 05:29:12 -0600

Hi all, 
I m using MS Exchange 5.5. this is working fine but while i m send a mail
to a perticuler domain i m getting NDR , i can receive mail from there .
This is for all the user of this particuler domain. Pls anybody can
suggest me the cause?

msg is like that:------- 
The following recipient(s) could not be reached:

'osama al hasan' on 9/24/2002 3:17 PM
Unable to deliver the message due to a communications failure
The MTS-ID of the original message is: c=US;a=
MSEXCH:IMS:CUPOLA:CTSL:SERVER01 3503 (000B09AA) 503 please introduce
yourself, first

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