Need DNS records help for single server (and IP), and multi-domain mail server.
Tom Browder
tom.browder at gmail.com
Wed Aug 23 20:59:25 UTC 2017
On Wed, Aug 23, 2017 at 2:28 PM, Tom Browder <tom.browder at gmail.com> wrote:
...
> I have a single remote server with one IP address (142.54.186.2) I am using
> it to host multiple, independent domains. I am working on configuring a
> single postfix instance to serve mail for all domains (assuming I can
> successfully rewrite appropriate parts of mail in and out).
>
> Given such a configuration described in the first paragraph, does the
> following set of DNS records for a domain look look appropriate:
Based on all the comments, I've modified the OP list to this:
# For each domain X.TLD:
X.TLD. IN A 142.54.186.2.
*.X.TLD. IN CNAME X.TLD.
X.TLD. IN MX 10 X.TLD.
X.TLD. IN TXT "v=spf1 mx ?all"
How's that set?
-Tom
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