Firewall? Also they may have an older email system that does not understand ESMTP that Exchange 2000 uses.
----- Original Message ----- From: "Ed" <[EMAIL PROTECTED]> To: "Exchange Discussions" <[EMAIL PROTECTED]> Sent: Wednesday, October 09, 2002 9:50 AM Subject: Bounced Mail > We are unable to recieve email from one of our customers. We are running > Ex 2000 with SP 3. The customer is getting the following message on the > bounced mail: A critical function for the transfer or delivery of the > message was not supported by the originator of the report <nts.4.ntdom.noodleco.com #5.3.3 smtp;500 5.3.3 Unrecognized Command> > > They are having no problems recieving mail from us and this is the only > domain we are having trouble recieving mail from. > Any ideas? > Thanks, > Ed > > _________________________________________________________________ > 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]
