Hi every one, While i m sending a mail to a specific mail ID geting NDR Your message did not reach some or all of the intended recipients. Subject: RE: Email attachment Sent: 10/10/2002 10:11 AM The following recipient(s) could not be reached: 'Faiyaz Ahmad' on 10/10/2002 10:39 AM Unable to deliver the message due to a communications failure The MTS-ID of the original message is: c=US;a= ;p=CUPOLA;l=SERVER01-021010061104Z-41677 MSEXCH:IMS:CUPOLA:CTSL:SERVER01 3503 (000B09AA) 503 5.5.2 Send hello first PLz help me to resolve this Thanks