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]
>|
>|
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