caching-nameserver vs sendmail
Geoffrey Leach
geoff at hughes.net
Thu Aug 24 23:06:06 UTC 2006
On 08.23 09:47, Tim wrote:
> On Tue, 2006-08-22 at 08:29 -0700, Geoffrey Leach wrote:
> > I installed caching-nameserver and checked the config against to the
>
> > DNS HOWTO. All appeared to be working well, with /etc/resolv.conf
> > reading 'nameserver 127.0.0.1' However, on reboot sendmail hung on
>
> > startup. Any ideas?
>
> Hmm, do you have a hostname for your PC that is it something other
> than
> localhost? *That* hostname needs to be resolvable.
>
> e.g. If your machine was known as "mailserver" at the example.com
> domain, and an IP address of 192.168.0.1, it'd have a FQDN name of
> "mailserver.example.com", and you'd want your DNS server to have the
> appropriate records correlating the names and IP addresses. Probably
> in
> both directions (forward zone that answers with that IP for that name,
> and a reverse zone that answers with that name for that IP).
Yup, that's the problem. /etc/sysconfig/network says
HOSTNAME=mtranch.mtranch.com, but that host's not in /etc/hosts. Making
that change resolved the problem and as an unexpected side-benefit
dramantically speeded up the startup of sendmail in the non-caching-DNS
case. Thanks.
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