Call your ISP and tell them they are non-compliant with the relevant RFCs. Or configure your server to deliver mail using DNS.
Chris -- Chris Scharff Senior Sales Engineer MessageOne If you can't measure, you can't manage! > -----Original Message----- > From: Nizar El-Assaad [mailto:[EMAIL PROTECTED]] > Sent: Friday, November 09, 2001 12:59 AM > To: Exchange Discussions > Subject: NDR and Relaying Problems > > > Hello > > Ever since I installed Exchange 5.5 sp4, my server can longer > send NDRs. Whenever a message reaches the server with a bad > address, and the server tries to send back an NDR, I get the > following error message: "The following recipients did not > receive the attached mail. Reasons are listed with each > recipient: <originator> originator MSEXCH:IMS:ANZIMA > S.A.L.:ANZIMA:YASMINA 3550 (000B09AA) 550 relaying mail to > [originator domain] is not allowed." > > My server is Yasmina, and my organization/site is Anzima. > > For outbound mail, I set Exchange to forward all messages to > my ISP SMTP server, because if I use DNS, a lot of messages > fail to be delivered (I have a dial-up connection). > > Thank you for your help. > > Best Regards > Nizar El-Assaad > > _________________________________________________________________ > 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]
