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Just a quick question about A and MX records.

If I have a domain that I have purchased, and I want to get remote mail working eventually, to say:, do I just put in with my hosting provider an A record like: Record Record Type=A Record Value=my ip address

Also, with MX records, at the moment I have an entry as such: Priority=10 Host=@ Goes

How do I set it up so that I can forward email to an exchange server that I'm trying to setup.


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1 Answer 1

up vote 2 down vote accepted

Your assumptions about A-records are correct.

MX records are quite easy to understand, it's the same as A-records expect that they have a cost field to either have backup MX'es (very common) or for load-balancing (common for heavy traffic).

MX 10
MX 20
MX 10
MX 10
MX 20

(and so on. Lower cost = higher priority)

In your example you wanna change your MX record to point to your own mail server, but I highly recommend that you get a backup MX somewhere - on a totally different internet provider than your own servers.

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Just for completion: the lower the mx priority number the more preference. – Oscar Aug 2 '10 at 12:16
That's why it's actually the costs of using the respective MX host rather than its priority. I don't know who came up with the "priority" term. – joschi Aug 2 '10 at 12:51
I think the term "priority" is a windows thing. The RFC states about "preference number", which is equally weird ;-) – Oscar Aug 2 '10 at 13:06
Ah, forgot it was named cost. Thanks for the comments, I've updated my answer. – pauska Aug 2 '10 at 14:00

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