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> Date: Wed, 28 Apr 2010 01:56:55 -0500
> From: s...@hardwarefreak.com
> To: postfix-users@postfix.org
> Subject: Re: 'Domain not found' errors after Ubuntu upgrade
>
> Stan Hoeppner put forth on 4/28/2010 1:50 AM:
>> Y z put forth on 4/28/2010 1:36 AM:
>>
>>> Where do I start troubleshooting?
>>
>> Start by making sure that these match:
>>
>> /etc/resolv.conf
>> /var/spool/postfix/etc/resolv.conf
Yup. Postfix start warns me if they differ.
I tried putting in nameservers there, but that makes it worse: then postfix
(it's supposed to relay) accepts the messages, then can't find te relay domain,
so it bounces them. Ouch.
>> When cli dns tools work, that usually means the first file above is correct,
>> fsvo "correct". When postfix can't resolve dns, it usually means the second
>> file's contents have changed since it was working previously.
>>
>> Your files might be in slightly different locations depending on your OS,
>> but you get the general idea of what you need to look for.
>>
>> Hope this helps, and is timely. Sounds like you're in a pinch.
>
> Forgot to mention: restart Postfix after making the change or it won't take
> effect. A reload might work also but I'm not sure. Best to go with a
> restart. On many systems, and specifically Debian/Ubuntu, as root:
>
> ~$ /etc/init.d/postfix restart
Yup. Been starting and stopping for a while now. :-(
> --
> Stan
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