Re: Federated, decentralised communication on the internet (was: domain names, was: hostname)

To: debian-user@lists.debian.org
Subject: Re: Federated, decentralised communication on the internet (was: domain names, was: hostname)
From: deloptes <deloptes@gmail.com>
Date: Thu, 22 Mar 2018 08:59:11 +0100
Message-id: <[🔎] p8vnke$eig$2@blaine.gmane.org>
Reply-to: deloptes@gmail.com
References: <slrnp8bcsg.ask.dan@xps-linux.djph.net> <1519043283.383068.1275644336.01C716EA@webmail.messagingengine.com> <20180219162356.GA4712@alum> <19022018180243.2ced26b8fba1@desktop.copernicus.org.uk> <20180222175818.GA12408@alum> <23022018142458.08644849f47c@desktop.copernicus.org.uk> <[🔎] 20180320220747.GA14927@alum> <[🔎] 85muz2z7iw.fsf_-_@benfinney.id.au> <[🔎] 20180321195347.GD7863@alum> <[🔎] 20180321202144.3oxfe5puynsf5von@eeg.ccf.org> <[🔎] 20180321235903.GA14217@alum>

David Wright wrote:

> Sure, so in my case, I'd be forced to find out what my router's
> hostname is so that I can quote a hostname that will resolve to the
> address that I woud be posting on. Currently this appears to be
> ip70-179-161-106.fv.ks.cox.net

these are not valid SMTP domain names. It might be valid FQDN, but the
server on the other end is most likely to reject it.

> but it changes at random times governed by I know not what.
> But wait: to post from any of my machines, they all have to have
> ip70-179-161-106.fv.ks.cox.net in /etc/hosts so that exim uses it
> as the HELO string. This to an ISP that knows which wire I'm
> connected to at their end.

Best is to use dynamic DNS or DDNS service, but I am not sure if the free
versions support MX records (most probably not)

regards

Reply to:

Follow-Ups:
- Re: Federated, decentralised communication on the internet (was: domain names, was: hostname)
  - From: Joe <joe@jretrading.com>

References:
- Re: domain names, was: hostname
  - From: David Wright <deblis@lionunicorn.co.uk>
- Federated, decentralised communication on the internet (was: domain names, was: hostname)
  - From: Ben Finney <bignose@debian.org>
- Re: Federated, decentralised communication on the internet (was: domain names, was: hostname)
  - From: David Wright <deblis@lionunicorn.co.uk>
- Re: Federated, decentralised communication on the internet (was: domain names, was: hostname)
  - From: Greg Wooledge <wooledg@eeg.ccf.org>
- Re: Federated, decentralised communication on the internet (was: domain names, was: hostname)
  - From: David Wright <deblis@lionunicorn.co.uk>

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