Running own mail server

[Tom Diehl]

On Fri, 3 Nov 2006, jdow wrote:

> From: "Bruno Wolff III" <bruno at wolff.to>
>>> >Edward Dekkers <edward at tripled.iinet.net.au> wrote:
>>> >
>>> >> Originally I thought I could just run DNS here on my Linux box. But
>>> >> apparently from what I understand of the reading I'm doing I'd need two
>>> >> servers to do this.
>> 
>> For a home DSL system having two DNS servers is overkill. If your network 
>> is
>> down none of your services are going to be working anyway, so having a DNS
>> on another network isn't going to help.
>> Some registrars may enforce this requirement though. If so you might be 
>> able
>> to make a deal with another person in a similar situation to provide DNS
>> service for each other.
>> 
>> For more arguments on why you don't really need two DNS servers in this 
>> case
>> see:
>> http://cr.yp.to/djbdns/third-party.html
>
> If it goes down for an extended period of time, as with a power loss
> and the UPS ran down, then when the UPS and machine come back up say
> a day or two later it will take a long time for the various DNS servers
> to find it again. It's better to have someone providing secondary
> name server for you. It's usually cheap. And you can configure it to
> update from your name server when you change your server's data.

And on top of that a minimum of 2 geographically diverse nameservers are
required by RFC.

PLEASE, if your not going to do it right do NOT do it. When you think you
have things setup correctly go here: http://www.dnsreport.com/ and see
if you really do. you would be suprised how easy it is to get things wrong.

Regards,

-- 
Tom Diehl		tdiehl at rogueind.com		Spamtrap address mtd123 at rogueind.com