Re: Address 127.0.1.1
Am 24.05.2024 um 17:17:45 Uhr schrieb tomas@tuxteam.de:
> On Fri, May 24, 2024 at 04:49:18PM +0200, Marco Moock wrote:
>
> [...]
>
> > If you operate mail servers, you must have a FQDN. .lan can't be
> > used for the global DNS stuff, so set a proper FQDN that belongs to
> > you.
>
> I think this is wrong in that sweeping generality.
In the case it should communicate with other MTAs in the internet, this
will be true because many of them require a resolvable (also reverse)
FQDN in HELO/EHLO that matches the IPv4/IPv6 addresses of the server.
--
Gruß
Marco
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