Sounds like some addresses are forwarded to other addresses. -----Original Message----- From: Mark Morgan [mailto:mmorgan@xxxxxxxxxxxxxxxxxxxxx] Sent: Friday, December 30, 2005 1:08 PM To: [ExchangeList] Subject: [exchangelist] NDR from old user when sending internal to new user http://www.MSExchange.org/ Hello All, I have a strange problem, when some of my users send internal email to one a user they get an NDR stating that a differant user does not exist, ex. user A send email to mkowatch user A gets an ndr stating lmalm is not a valid user. Lmalm is a user that left the company over a year ago and this just started a couple of weeks ago. System is Exch 2k3 sp2 on windows 2k3 sp1 migrated from nt 4.0 exch 5.5. ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp ------------------------------------------------------ Visit TechGenix.com for more information about our other sites: http://www.techgenix.com ------------------------------------------------------ You are currently subscribed to this MSExchange.org Discussion List as: mjtech@xxxxxxxxx To unsubscribe visit http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Report abuse to info@xxxxxxxxxxxxxx