not appending local domainname?

Barry Margolin barmar at bbnplanet.com
Tue Jan 11 15:31:58 UTC 2000


In article <200001112101.QAA27679 at mail.ccminfo.nl>,
 <temp at mail.ccminfo.nl> wrote:
>
>Hi,
>I got two mailservers, one configured as an unknown local user relay, the
>other one somewhere far inside the local network.
>
>On the unknown local user relay runs bind.
>
>When someone sends a message with a mistake (e.g. wxs.n in stead of
>wxs.nl ) the nameserver on the unknown local user relay appends the local
>domainname and then sendmail looks up the MX records, finding that it
>points back to itself, and sends an error email to root.
>
>I am root, and I don't like error emails.
>
>Is it possible to configure bind NOT to append the local domainname to a
>name which cannot be found?

Do you have a wildcard MX record in your domain?  What's happening is the
normal resolver processing of appending the local domain to a name if the
name doesn't exist.  Since the wildcard matches this, the MX record is
found.

The simple solution is to get rid of the wildcard.

-- 
Barry Margolin, barmar at bbnplanet.com
GTE Internetworking, Powered by BBN, Burlington, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.



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