well.. our internal DNS was set up by a hack who didn't do it right...
I pointed the server to external DNS and everything is happy .

Thanks for your help.


From: "brad davison" <[EMAIL PROTECTED]>
To: freebsd-questions@freebsd.org
Subject: RE: {Disarmed} Re: Domain of Sender does not exist
Date: Wed, 12 Sep 2007 18:05:22 +0000




From: Derek Ragona <[EMAIL PROTECTED]>
To: "brad davison" <[EMAIL PROTECTED]>,freebsd-questions@freebsd.org
Subject: {Disarmed} Re: Domain of Sender does not exist
Date: Wed, 12 Sep 2007 11:02:12 -0500

At 10:52 AM 9/12/2007, brad davison wrote:
We are using Sendmail.
Sendmail version 8.13.8, config V10/Berkeley

It is just odd that of our 17 domains we send/receive mail for.. only the 4 that are specified in our DNS are the ones having problems.

The Domains are all listed in local-domain file.

If there is something else i can check or put in my sendmail config, i'm all ears. It is configured for SMTP AUTH so its the check_rcpt that is giving up the error.

Make sure they are in /etc/mail/local-host-names

        -Derek

I checked local-host-names, and yes they are all listed there.

The machine will accept mail delivered -for- this domain [EMAIL PROTECTED], but if your Thunderbird (or whatever MUA) is set for [EMAIL PROTECTED], that's when it gives the error.

How can it accept mail for this domain, and say that the 'domain does not exist' or 'domain does not resolve' errors?

Brad



We have SMTP AUTH set up on our mail server. Our mail server accepts mail for several domains.
x.com
y.com
z.com

Outgoing messages from [EMAIL PROTECTED], and [EMAIL PROTECTED] goes out fine, but emails going out from [EMAIL PROTECTED] are getting:

Domain of Sender does not exist ([EMAIL PROTECTED] 5.1.8

The oddest thing, is that this server is the MTA for z.com. Sending to [EMAIL PROTECTED] will end up on this box no problem.

I did not set up our DNS, and it is in Active Directory. In our DNS "z.com" in the Forward Lookup Zone has A record for the email server, and MX record for the email server.

What could be hanging this up? The x.com and y.com are not specified in our DNS locally at all, so I am not sure how to model the DNS for these domains.

Also, when I 'paused' the z.com zone, I got the
Domain of Sender does not resolve 4.1.8 error.

Any leads on where my DNS or configs might be not able to resolve this domain?

What are you using to send mail? If it is sendmail, sounds like a sendmail error.

        -Derek

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