Certainly sounds like DNS to me. When you do nslookups from the Exch Server, what server does it attempt to contact and can it successfully resolve external names?
----- Original Message ----- From: "John Orban" <[EMAIL PROTECTED]> To: "Exchange Discussions" <[EMAIL PROTECTED]> Sent: Thursday, August 28, 2003 11:58 AM Subject: RE: What causes mail to back up in the IMS queue? > I'm sorry, it's backing up in the outbound queue (outbound messages > awaiting deliver). Looking at the messages usually indicates a name > resolution issue which, of course, is DNS. But I don't understand why it > (DNS) would just stop working. I've got my main Active Directory server > (which is also my main file and print server) running DNS. > > I have a static IP address on the Exchange server pointing to the DNS > server as the primary and then to my ISP's DNS servers as secondary (and > tertiary). > > You know I'm also getting messages from the Exchange listserv that my > account is on hold. I know Ed looked into this earlier and noticed > something wonky but I was never able to figure out how to resolve it. > Right now I'm answering this on the Swynk website since I'm not receiving > messages again from the group. > > I did find a post through Google that said I should restart the MTA as > well as the IMC. But I'm thinking if this is a DNS issue that's not going > to help. But then, I don't understand why rebooting the computer helps > since DNS is on a completely different machine. > > The DNS Event log on my DNS server is "clean" there are only informational > events, nothing even remotely resembling anything wrong with DNS on that > machine, so it's GOT to be localized to the Exchange server. > > I see nothing in either the Application or System logs in the Event viewer > prior to this problem that gives me any clues. > > Thanks for any thoughts. > > John > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Web Interface: http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&lang=english > To unsubscribe: mailto:[EMAIL PROTECTED] > Exchange List admin: [EMAIL PROTECTED] > _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&lang=english To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]
