mail malady - dns/postfix
Jerod Prothe
jprothe at usd217.org
Wed Aug 31 15:49:21 GMT 2005
Greg Barniskis wrote:
> Jerod Prothe wrote:
>
>> Greetings all,
>> On my network, we used to have some NT box acting as the mail
>> exchanger and a faulty dns for our domain. That box has nearly
>> crumbled. It's still active, but no longer accepting mail. I set up
>> a computer (called galley) with 5.4 and it is (supposedly) running
>> authoritative dns for our domain, and is handling mail via postfix.
>> Since I changed the dns, I alerted our registrar, which was originally
>> doing lookups for us.
>> The problem is, now local citizens are trying to send mail to us, but
>> they are getting bounce messages reporting that it couldn't talk to
>> otto, the old NT box.
>
>
> [config snipped]
>
>> There may be more at stake here: If this doesn't work well, then any
>> credibility that I have with my employer concerning using open-source
>> may be exhausted. Any other conf's I should show?
>
>
> At a glance (not thorough inspection) your config looked OK. Expire time
> of 100 days seems a bit long.
>
> When I nslookup MX for your domain, I get the addr of your new server
> "galley", so no apparent problem there (although I see from a follow-up
> post that some folks are getting MX = otto, and *that* is your problem
> in a nutshell).
>
> If otto is no longer providing any services to the outside world, how
> about just indicating via DNS that otto is CNAME to galley?
>
CNAME to galley? That's a good idea. I changed it and reduced the expire time
to 10d (I got it out of the Lehey Complete FreeBSD book). I wonder why it is
that Australia has updated but a US State has not?
Thanks for your help.
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