Sendmail host name lookup failure

[Paul Howarth]

On Thu, 2005-05-26 at 09:17 +1200, Cameron Beattie wrote:
> I have a number of undelivered messages in the mailqueue.  The mailqueue 
> reports: Deferred: Name server: yahoo.com.: host name lookup failure. I 
> attempted to send these emails from a remote client (Outlook Express) and 
> cannot understand why the domain name can't be discovered.
> 
> nslookup yahoo.com.
> Server:    210.55.12.1
> Address:    210.55.12.1#53
> 
> Non-authoritative answer:
> Name:    yahoo.com
> Address:    66.94.234.13

This is an "A" record lookup; you need to look for "MX" records:

$ dig yahoo.com mx

Still can't see anything wrong though.

> Don't know if the following is relevant
> service nscd status
> nscd is stopped

Shouldn't be; I don't use nscd and sendmail works fine here.

Paul.
-- 
Paul Howarth <paul at city-fan.org>