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Re: Choice of "mailname" for mail server: suggestions welcome

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On Fri, Feb 21, 2020 at 06:29 Joe <joe@jretrading.com> wrote:

> On Fri, 21 Feb 2020 06:00:14 -0600
> Tom Browder <tom.browder@gmail.com> wrote:

...

> > As I understand it, a mail server has to use smtp to physically
> > transfer mail between physical hosts and that requires one name that
> > will resolve to an IP. Even if the server is hosting multiple
> > domains, the mail for each still has to use the one "mailname" for
> > transport.
>
> Not really, you can have an A record for each domain, with the MX
> record for each domain pointing to its 'own' A record. The only common
> feature must be the IP address that the A records point to.
>
> You may well have only one PTR record for the address, although
> multiple PTRs on one address are valid, but not many ISPs make provision
> for that.
>

Interesting--I would prefer that. So with all mail stuff on one server, I
can have each domain's MX record point to its own mail server. And I do
have control of the PTR record. I just need to ensure everything resolves
to the correct host IP.

So how does all that jibe with the single name required by OpenSMPTD?

Thanks, Joe.

-Tom

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Thread

Choice of "mailname" for mail server: suggestions welcome Tom Browder <tom.browder@gmail.com> - 2020-02-21 12:20 +0100
  Re: Choice of "mailname" for mail server: suggestions welcome john doe <johndoe65534@mail.com> - 2020-02-21 12:40 +0100
    Re: Choice of "mailname" for mail server: suggestions welcome Tom Browder <tom.browder@gmail.com> - 2020-02-21 13:10 +0100
      Re: Choice of "mailname" for mail server: suggestions welcome Joe <joe@jretrading.com> - 2020-02-21 13:30 +0100
        Re: Choice of "mailname" for mail server: suggestions welcome Tom Browder <tom.browder@gmail.com> - 2020-02-21 13:50 +0100
          Re: Choice of "mailname" for mail server: suggestions welcome Joe <joe@jretrading.com> - 2020-02-21 14:50 +0100
    Re: Choice of "mailname" for mail server: suggestions welcome Henning Follmann <hfollmann@itcfollmann.com> - 2020-02-21 15:40 +0100
      Re: Choice of "mailname" for mail server: suggestions welcome Tom Browder <tom.browder@gmail.com> - 2020-02-21 15:50 +0100
        Re: Choice of "mailname" for mail server: suggestions welcome Henning Follmann <hfollmann@itcfollmann.com> - 2020-02-21 18:10 +0100
          Re: Choice of "mailname" for mail server: suggestions welcome Tom Browder <tom.browder@gmail.com> - 2020-02-21 23:40 +0100
  Re: Choice of "mailname" for mail server: suggestions welcome Jonas Smedegaard <jonas@jones.dk> - 2020-02-21 13:10 +0100
    Re: Choice of "mailname" for mail server: suggestions welcome Tom Browder <tom.browder@gmail.com> - 2020-02-21 13:20 +0100
      Re: Choice of "mailname" for mail server: suggestions welcome Jonas Smedegaard <jonas@jones.dk> - 2020-02-21 13:50 +0100
  Re: Choice of "mailname" for mail server: suggestions welcome Michael Howard <mike@dewberryfields.co.uk> - 2020-02-21 13:20 +0100
    Re: Choice of "mailname" for mail server: suggestions welcome Tom Browder <tom.browder@gmail.com> - 2020-02-21 13:30 +0100
  Re: Choice of "mailname" for mail server: suggestions welcome Brian <ad44@cityscape.co.uk> - 2020-02-21 16:40 +0100
    Re: Choice of "mailname" for mail server: suggestions welcome Tom Browder <tom.browder@gmail.com> - 2020-02-21 18:30 +0100
      Re: Choice of "mailname" for mail server: suggestions welcome Brian <ad44@cityscape.co.uk> - 2020-02-21 19:10 +0100
        Re: Choice of "mailname" for mail server: suggestions welcome Tom Browder <tom.browder@gmail.com> - 2020-02-21 19:50 +0100
          Re: Choice of "mailname" for mail server: suggestions welcome Tom Browder <tom.browder@gmail.com> - 2020-02-21 20:30 +0100
          Re: Choice of "mailname" for mail server: suggestions welcome Brian <ad44@cityscape.co.uk> - 2020-02-21 20:30 +0100
  Re: Choice of "mailname" for mail server: suggestions welcome Tom Browder <tom.browder@gmail.com> - 2020-02-21 23:50 +0100

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