Backup Mail Server

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I have a Mail server that tends to crash a lot. Is it possible to use qdns
to put a backup mailserver into effect? Can I just add another MX record to
that domain or something?

Thanks.

Caio

[---------------------------------------------------]
Caio James
PHONE: (877) 776-3448 Technology Consultant
FAX: (888) 498-8233 Intric
WEB: http://intric.com 704 Natoma St
EMAIL: caio@intric.com Folsom, CA 95630
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> From: Men & Mice Support <cbuxton@menandmice.com>
> Reply-To: "QuickDNS Talk" <quickdns-talk@lists.menandmice.com>
> Date: Mon, 18 Sep 2000 12:43:52 -0700
> To: "QuickDNS Talk" <quickdns-talk@lists.menandmice.com>
> Subject: Re: binding 2 IPs to a name server
>
> At 3:21 PM -0400 9/18/00, Karl Schroll wrote:
>> We are switching T1 carriers which will require changing info at the root
>> server and readdressing our name server to a new IP number. Is it possible
>> for Open Transport to respond to two IP addresses, so that during the time
>> it takes for the root change to filter out across the net, our name server
>> will respond to the old IP number and the new IP number? If so, do I need
>> to add a second ethernet port to the Mac and if so, can someone suggest one
>> that they know works? Thanks a lot in advance. Please keep it simple, I
>> know just enough to be dangerous. :)
>
> This reminds me of the children's game Fortunately/Unfortunately.
>
> Unfortunately:
> Mac OS computers don't natively support multiple network interfaces.
> Such support can be added with software such as IPNetRouter (from
> Sustainable Softworks) or several of Vicomsoft's gateway/proxy
> products.
>
> Fortunately:
> The Mac OS can, however, be configured to answer on multiple IP
> addresses using its built-in Ethernet port. There should be a sample
> IP Secondary Addresses file in your preferences folder. (Requires Mac
> OS 8.1 or later.)
>
> Unfortunately:
> QuickDNS Pro Server does not directly support multiple IP addresses.
> Support for the extra addresses configured in IP Secondary Addresses
> must be added by server software developers, and we haven't done that
> yet. (New version coming soon...)
>
> Fortunately:
> Mac OS 9's version of Open Transport does some internal routing
> tricks to force QuickDNS Pro Server to listen on multiple IP
> addresses. (Also works on some versions of 8.6.)
>
> Unfortunately:
> The routing tricks that Open Transport uses can cause problems for a
> small percentage (much less than 1%) of your potential visitors. I
> won't bore you with the details; suffice to say that the affected
> potential visitors won't be able to contact your DNS servers if you
> set things up this way.
>
> Fortunately:
> The people thus affected also have had trouble (at various times in
> the past) with www.apple.com, www.microsoft.com, and several others,
> due to the exact same problem. The problem is due to a poor design of
> a proxy or NAT server (at the visitor's end of things) - it makes
> more assumptions than are strictly necessary. There are very few such
> devices still in operation.
> ____________________________________________________________________
> Chris Buxton Men & Mice
> cbuxton@menandmice.com We Make DNS Easy!
>
>

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