Re: DNS Config?

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On Tue, May 13, 2008 2:09 pm, metamorph wrote:

> Alan in Toronto-2 wrote:
>>
>> On Tue, May 13, 2008 1:55 pm, metamorph wrote:
>>>
>>> Alan in Toronto-2 wrote:
>>>>
>>>> On Mon, May 12, 2008 10:36 pm, metamorph wrote:
>>>>>
>>>>> I registered the domain name.  Then, I went to change the DNS settings.
>>>>> Is it correct to change the A record source to the domain name and then
>>>>> the
>>>>> destination to the IP address of my mail server?  If so, why will it
>>>>> not
>>>>> let
>>>>> me put the IPaddress:socket/squirrelmail/src/login.php for the
>>>>> destination
>>>>> with or without a . on the end.
>>>>>
>>>>> Maybe someone can straighten me out on some basics such as fqdn and
>>>>> records
>>>>> (A vs MX).
>>>>
>>>> See Jon's messages.
>>>>
>>>> I'm not sure what you're doing. I'm not sure if you're actually
>>>> installing
>>>> BIND on
>>>> your server, or if your questions are more basic than that. You haven't
>>>> been clear
>>>> on what you're doing.
>>>>
>>>> An A record must point to an IP address.
>>>> IPaddress:socket/squirrelmail/src/login.php
>>>> is not an IP address, it is a URL.
>>>>
>>>> An Mx record must point to a domain name. That domain name does not have
>>>> to match
>>>> that of the zone. If you want the mail server to differ from the web
>>>> server, the Mx
>>>> record could point to a different domain, or even to a sub-domain of the
>>>> zone and
>>>> that sub-domain could have its own A record that points to a different
>>>> IP.
>>
>>>
>>> Ok, the A record relates the domain name to IP address; ie not the url.
>>> 1. So does the DNS server (BIND installed on a server) direct the
>>> incoming
>>> traffic from the IP to the correct destination (possibly the URL
>>> IPaddress:socket/squirrelmail/src/login.php)?
>>> 2. Is it incorrect to install BIND on the mailserver itself?
>>> 3. What makes a domain name fully qualified (fqdn)?
>>>
>>> What I am trying to do is set up a mail server. I want to type the domain
>>> name in and have it directed to the mail server.  I thought that when I
>>> registered my domain name that I could just direct it to my url through
>>> their control panel, but if I am understanding you correctly I first need
>>> to
>>> direct it to my IP address and then the BIND program will send it the
>>> correct URL-- am I completely off base?
>>
>> You're more than off base. Your understanding is thin and full of gaps.
>> I'm
>> surprised that you want to do this much work of installing a mail server,
>> installing
>> a web server, installing BIND, etc., when it seems that you don't have the
>> knowledge
>> of even how to configure those things once they are installed. I'm not
>> being
>> critical here, just assessing your ability to do what you're attempting.
>>
>> I think you'd be better off using a server that is already a functioning
>> web server
>> with mail server, etc. Then you could concentrate on learning how to
>> install and
>> configure SquirrelMail.

>
> How about when you first started Alan--If you don't feel like answering a
> question then don't, but please don't make assumptions on what is possible
> or not.  I thought this was a place to learn from others.  Oh well, I will
> eventually put the pieces together, but you will probably always be... well
> yourself.   Please do not reply to anymore of my posts Mr. Alan in Toronto.

This is a place to learn, but about *SquirrelMail*. You'll get better help on
configuring a mail server, installing BIND, creating DNS records, etc. in other more
appropriate forums.

I wasn't being unkind. It really sounds like you're in over your head at this point.
For example, you want to install DNS services and various other pieces, but you lack
a basic understanding of how DNS records work. I'm just suggesting that it would be
easier if you just bit off a manageable piece, such as installing SquirrelMail on a
server that already has the needed underlying services. If you want to actually do
it all yourself, that's great, but you'll need to learn more basics such as by
checking out some of the many on-line tutorials available on those various subjects.

As for your specific question about resolving domain to mail server: you must have a
domain or sub-domain that has an A record which resolves to the mail server IP. Then
the Mx record for your domain points to that mail domain or sub-domain. That will
get mail traffic to resolve to the mail server; once the traffic arrives, the mail
server must be configured to know what to do with it.





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