I think that Rich said that he could successfully telnet a message to the other domain... interesting case. Benoit
----- Original Message ----- From: "Ted" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Monday, December 08, 2003 7:55 PM Subject: Re: Unusal DNS Resolution ? Issue | I may have missed part of this thread, but have you tried telnet-ing from the actual IMS | server to the domain in question on port 25 (using his mail IP and domain name)? With that | you could see if anything weird is sent back from his side and then also, if the test fails, | the other admin could immediately check his log files to see what his system did not like | about the session. Again, I'm sorry if I'm repeating stuff that has already been mentioned | here. | | | | Rich Warren wrote: | | > Thank you for the thoughts, but no luck yet. See below. | > -----Original Message----- | > From: BSarton <[EMAIL PROTECTED]> | > To: [email protected] <[email protected]> | > Date: Friday, December 05, 2003 6:47 AM | > Subject: Re: Unusal DNS Resolution ? Issue | > | > >Did you try to nslookup domain2.com throught all their names servers (the ns | > >list in their whois) ? | > >+ through the 2 name servers in your networks configuration ? | > | > Yes. In all cases, domain2.com responds with the IP of their www server. | > mail.domain2.com responds with the IP of their mail server | > The actual MX record points to their mail firewall server. | > | > >Has domain2.com ever be a local domain for your own server, in the past ? | > | > No. And they are not listed in the antirelay file as a local domain. I would hate | > to have to do that. | > | > >Did you try to send an email to [EMAIL PROTECTED] ? ( assuming | > >mail.domain2.com is their MX) | > | > Yes. I have tried [EMAIL PROTECTED], [EMAIL PROTECTED] (this is | > the one listed in MX), [EMAIL PROTECTED], [EMAIL PROTECTED] None | > of these work. They all just get stuck and wait their 54 tries and then come back and say | > "cannot resolve". If I send mail to a domain that does not have a DNS entry, it also | > comes back "cannot resolve", but it does so Immediately! It does not wait the 54 tries. | > Also, he has a personal mail server on this domain, [EMAIL PROTECTED] When I | > send mail to that one, it works immediately! | > This would seem to say that IMS is not doing something that his e-mail | > firewall wants, but I do not know what that is, and he does not know what that is either. | > The problem is that other mail servers can get through with no problem. | > | > >Benoit | > > | > > | > > | > >----- Original Message ----- | > >From: "Rich Warren" <[EMAIL PROTECTED]> | > >To: <[email protected]> | > >Sent: Thursday, December 04, 2003 5:12 AM | > >Subject: Unusal DNS Resolution ? Issue | > > | > > | > >| Hello, | > >| I am working with an administrator from another domain to find why our | > >domain | > >| (hocking.net) cannot send e-mail his (domain2.com). Messages sent from | > >our domain are | > >| returned with the message "Cannot resolve domain2.com" Yet: | > >| ==> nslookup shows a valid entry for their mail exchanger pointing to | > >their mail | > >| firewall | > >| ==> mail.domain2.com and smtp.domain2.com point to their mail server | > >| ==> Using basic mail commands from a telnet session initiated from a | > >router on our | > >| network to their mail firewall, successfully sends a message to their | > >domain. Here is the | > >| router session: | > >| mail from: [EMAIL PROTECTED] | > >| 250 Ok | > >| rcpt 2 | > >| 501 Syntax: RCPT TO: <address> | > >| rcpt to: [EMAIL PROTECTED] | > >| 250 Ok | > >| data | > >| 354 End data with <CR><LF>.<CR><LF> | > >| subject: test | > >| Test | > >| . | > >| 250 Ok: queued as 1B765D003790 | > >| Also, we can receive from his domain just fine. | > >| He does have a front end mail receiver of some sort that is | > >| Does anyone have any idea why IMS will not send mail to | > >domain2 or where we | > >| can start to look? | > >| Thanks. | > >| Rich | > >| [EMAIL PROTECTED] | > >| | > >| | > >| This is the discussion list for the IMS Free email server software. | > >| To unsubscribe send mailto:[EMAIL PROTECTED] | > >| | > >| Delivered by Rockliffe MailSite | > >| http://www.rockliffe.com/mailsite | > >| Rock Solid Software (tm) | > >| | > > | > >This is the discussion list for the IMS Free email server software. | > > To unsubscribe send mailto:[EMAIL PROTECTED] | > > | > > Delivered by Rockliffe MailSite | > > http://www.rockliffe.com/mailsite | > > Rock Solid Software (tm) | > > | > | > This is the discussion list for the IMS Free email server software. | > To unsubscribe send mailto:[EMAIL PROTECTED] | > | > Delivered by Rockliffe MailSite | > http://www.rockliffe.com/mailsite | > Rock Solid Software (tm) | | This is the discussion list for the IMS Free email server software. | To unsubscribe send mailto:[EMAIL PROTECTED] | | Delivered by Rockliffe MailSite | http://www.rockliffe.com/mailsite | Rock Solid Software (tm) | This is the discussion list for the IMS Free email server software. 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