which machine has the dns ? can you ping from the redhat to the exchange ?
----- Original Message ----- From: "Martin Blackstone" <[EMAIL PROTECTED]> To: "Exchange Discussions" <[EMAIL PROTECTED]> Sent: Tuesday, February 12, 2002 5:06 PM Subject: RE: Little problem > DNS? > > -----Original Message----- > From: Roger Smith [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, February 12, 2002 1:44 PM > To: Exchange Discussions > Subject: Little problem > > > Hi all > I have a problem and I hope that you can give me some directions to try. > > This is the problem > > Exchange 5.5 SP4 and a Redhat 7.2 box running the intranet and send mail. > The intranet computer contains a mailing list program that picks names from > a membership database and sends mail to those addresses designated. Up until > 2 weeks ago it was all working fine but this is what is happening. > The system has started generating error messages. > > Nothing has been changed on the exchange system. I have checked the DNS > and all normal mail goes through the exchange with no problems. The > relaying in the exchange is also set up for relaying from the IP address > (Internal). I have even added a host file with the internal ip address and > name of the send mail box. > > I have turned on maximum logging to find out what is going on and have the > following logged errors > > Bounced message > > The following recipient(s) could not be reached: > > > > '2598' on 12/02/2002 2:03 PM > > Unable to deliver the message due to a communications failure > > The MTS-ID of the original message is: c=US;a= > > ;p=Domain name;l=computer name-020212030234Z-623 > > MSEXCH:IMS:Domain name:computer name:computer name 3902 > (000B09AA) Host Unknown > > > Error log > > Can't resolve the host <unknown> (for computer name.Domain name) in order to > deliver one or more messages. > > > Delivery of message <8D455F42EED6D41186C500D0B7A9BDF7148823@computer name> > from <e mail address of sender> in temporary file 1Y0YLQQB was attempted to > host(s) <unknown> (for computer name.Domain name) with 0 recipients > delivered and 1 undeliverable. > > Thanks > > Roger Smith MCSE, MCP+I, CCNA > Technical Support Manager > OfficePCs > 10 Cape Street > Dickson > Phone : 62579111 > Fax: 62579004 > [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] > > _________________________________________________________________ > 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]
