OSEC

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Re: [Old box, Newbie] Undelivered Mail Returned to Sender

From: Victor Duchovni (Victor.DuchovniMorganStanley.com)
Date: Thu Dec 13 2007 - 17:07:59 CST


On Thu, Dec 13, 2007 at 05:01:30PM -0600, Noel Jones wrote:

> Paul Rogers wrote:
> >--- mouss <mlist.onlyfree.fr> wrote:
> >>don't use your ISP as a forwarder. configure a "standalone" dns
> >>server and try again.
> >
> >Meaning I have to install bind-8.2.1? I've been afraid of bind
> >over it's reputation. Is it safe?
> >
>
> Bind 8.2.1 isn't safe.
> If you don't want to install bind, I've had pretty good luck
> using OpenDNS as the dns resolver on some small systems.
>
> To use OpenDNS with a mail server, you *must* register for a
> free account with them and disable their "typo correction"
> feature. If you're on a dynamic IP you will also need to
> configure inadyn on your server to update opendns' idea of
> your current IP (instructions on their site).
>
> http://www.opendns.com

They provide "helpful" answers for non-existent domains, this practice
makes me very reluctant to recommend their service for production DNS use
(especially with MTAs). Has this changed?

--
        Viktor.

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