[thelist] Webserver separate from mail server?

del usr delusr at gmail.com
Wed Dec 13 00:14:35 CST 2006


Not to sound like a trouble maker but with the number of issues relating to
hosting a web site/email server, if you don't know the answer to this I
would get another company to do your system administration. There are just
to many things that can go wrong.

Try setting up a few old boxes and play around with them.



On 12/13/06, Shawn K. Quinn <skquinn at speakeasy.net> wrote:
>
> On Tue, 2006-12-12 at 21:28 -0500, Flavia Tarzwell (FayeC) wrote:
> > Can anybody tell me if it's possible to run a mail server separately
> > from the web server?
>
> It's definitely possible, and in some cases it's even unavoidable when a
> Web host does not handle e-mail. I'll explain with a real-life example
> ("$" is a GNU bash command prompt, edited to remove extra info):
>
> $ host evolt.org
> evolt.org has address 67.19.100.194
> evolt.org mail is handled by 10 mail.evolt.org.
> evolt.org mail is handled by 20 relay.evolt.org.
> $ host mail.evolt.org
> mail.evolt.org is an alias for aa.dallas.tx.us.evolt.org.
> aa.dallas.tx.us.evolt.org has address 67.19.100.194
> mail.evolt.org is an alias for aa.dallas.tx.us.evolt.org.
> mail.evolt.org is an alias for aa.dallas.tx.us.evolt.org.
> $ host www.evolt.org
> www.evolt.org is an alias for aa.dallas.tx.us.evolt.org .
> aa.dallas.tx.us.evolt.org has address 67.19.100.194
> www.evolt.org is an alias for aa.dallas.tx.us.evolt.org.
> www.evolt.org is an alias for aa.dallas.tx.us.evolt.org.
>
> Currently, mail.evolt.org and www.evolt.org happen to point to the same
> computer. However, this need not be the case. The MX record ("mail is
> handled by" above) could just as easily point to just about any other
> machine on the planet (assuming sufficient bandwidth and a static IP
> address). It is worth noting that in the past, full-time Internet
> connections were not as common as they are today, and this is the MX
> record's primary reason for existence.
>
> Note also, lists.evolt.org points to a different computer, so if you
> were to offer mailing lists under a different hostname in the same
> domain. In fact, since I know I owe at least two tips:
>
> <tip type="Researching domain usage" author="Shawn K. Quinn">
> It's quite possible to register a domain name and use it only for e-mail
> or other purposes besides a Web site, so don't assume a domain is not in
> active use just because the host "www" under it doesn't resolve.
> </tip>
>
> --
> Shawn K. Quinn <skquinn at speakeasy.net>
>
> --
>
> * * Please support the community that supports you.  * *
> http://evolt.org/help_support_evolt/
>
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> and archives of thelist go to: http://lists.evolt.org
> Workers of the Web, evolt !
>



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