What service pack level are you using? Check to see if this happens when someone does a reply-to-all to a message in their Sent Items folder.
Serdar Soysal -----Original Message----- From: Kumar Pillai [mailto:[EMAIL PROTECTED]] Sent: Monday, May 13, 2002 6:08 PM To: Exchange Discussions Subject: Non delivery Receipts for users with in the same server All Gurus In our Exchange 5.5 setup, we occassionaly get NDR's when users try to send emails to users with in the office. This mostly happens when they try to send it to Distribution lists.The users get a NDR mail similar to this "Unable to deliver the message due to a communication failure The MTS-ID of the original message is ........" Sometimes they get like this "The message was undelivered because the specified recipient postal address was incorrect. MSEXCH:MSExchnageIS ......." Any advise is highly appreciated Thanks _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Archives: http://www.swynk.com/sitesearch/search.asp To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Archives: http://www.swynk.com/sitesearch/search.asp To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]

