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Mail Records

From: Sean Stephens
Date: Monday, July 2, 2001
Time: 9:13:20 am


I'm not REALLY getting it, even after reading all of "DNS and BIND".

For MX records, QDNS support had me change all my DNS records to look like
this (which required everyone changing over from using a POP server of
"test.com" to a new one called "mail.test.com");

test.com. A 1.1.1.1
test.com. MX 10 mail.test.com.
test.com. MX 20 mail2.test.com.
mail.test.com. A 1.1.1.2
mail2.test.com. A 1.1.1.3

This is for 3 separate computers, a web server (1.1.1.1), a mail server
(1.1.1.2) and a secondary mail server (1.1.1.3).

1) Why not set up an MX record like this?

test.com. MX 10 1.1.1.2

Is there any way to route MX requests from a domain (test.com.) to the
authoritative mail domain (mail.test.com.), so people don't have to remember
the mail host but can use their own domain as POP server?

2) If I DO set everything up so that every host goes to "mail.test.com.", do
I need to set up anything on the primary mail server (like hosts or
forwarding)?

3) What do I need to set up on the secondary server (mail2.test.com.)? Do I
need to set up everyone's email addresses? Do I need to set up mail hosts or
set up forwarding? What makes it keep the emails until the primary
(mail.test.com.) starts working again? Can clients GET the email from the
secondary email server, or is it just a stop-gap until the primary comes
back online?

Is there somewhere on the Men and Mice page with a description of an "ideal
setup" and explanations as to why this claim is made?

I really appreciate the feedback...

Sean




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