Domain of Sender does not exist

Derek Ragona derek at computinginnovations.com
Wed Sep 12 07:28:32 PDT 2007


At 08:58 AM 9/12/2007, brad davison wrote:
>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 [user]@x.com, and [user]@y.com goes out fine, but 
>emails going out from [user]@z.com are getting:
>
>Domain of Sender does not exist ([user]@z.com] 5.1.8
>
>The oddest thing, is that this server is the MTA for z.com.  Sending to 
>[user]@z.com 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

-- 
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.
MailScanner thanks transtec Computers for their support.



More information about the freebsd-questions mailing list