Hi, Can any one light? What could be the reason of following NDR? Your message did not reach some or all of the intended recipients. Subject: RE: need help Sent: 11/1/2002 5:58 PM The following recipient(s) could not be reached: 'Alice Newlon' on 11/2/2002 8:32 AM Unable to deliver the message due to a communications failure The MTS-ID of the original message is: c=US;a= ;p=cscesn;l=CEXCHBDC-021101125805Z-255 MSEXCH:IMS:cscesn:csc:CEXCHBDC 3902 (000B099C) Host Unknown prasanna@xxxxxxxxxxxx on 11/2/2002 8:32 AM Unable to deliver the message due to a communications failure The MTS-ID of the original message is: c=US;a= ;p=cscesn;l=CEXCHBDC-021101125805Z-255 MSEXCH:IMS:cscesn:csc:CEXCHBDC 3902 (000B099C) Host Unknown