Re: Choice of "mailname" for mail server: suggestions welcome
On Fri, Feb 21, 2020 at 12:38:45PM +0100, john doe wrote:
> On 2/21/2020 12:09 PM, Tom Browder wrote:
> > I am preparing servers to use with OpenSMTPD and Sympa to provide mail and
> > mailing list service.
> >
> > I need to settle on names to define as the "mailname" for each the two
> > servers I will designate for the DNS MX records for all my mail-enabled
> > domains. The mailnames should be "fully qualified domain names" (FQDNs) so
> > they will have names like:
> >
> > + mail.example.com
> > + smtp.example.com
> > + mx.example.com
> >
> > Does anyone have strong reasons to use one over another, or any other
> > choice?
> >
>
> I might be missing something here but the domain name is what you
> buy/what you get.
>
> If your planning to use split DNS, 'internal' and 'external' could be
> one option.
>
> For the lists, 'lists.example.com' might not be a bad idea.
>
> You can also use cname record to point to the same thing.
>
> --
> John Doe
>
Don't do THAT!
RFC2181 section 10.3 says you can't point your MX record to a CNAME
-H
--
Henning Follmann | hfollmann@itcfollmann.com
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