On Tue, Nov 18, 2025 at 10:17:50AM +0100, lejeczek via Postfix-users wrote:
> Certainly no PTR record for my IP but - do ISPes even do that - for us at
> home or in general customers anywhere, as opposed to co-located/hosted
> stuff?
In Australia, multiple providers of residential internet service offer
(typically for just an extra AUD$5.00 per month) static IP addresses and
reverse DNS (PTR records requested by the consumer for the IP address in
question).
Whether that's available from any of the providers available to you
depends on whether you have a choice of providers, and which services
the available providers offer. This can vary by country, state, city or
even building.
> I'm not going to move home there to such ISP's area, but sincere question,
> just out of curiosity.
If you can't get a static IP address and reverse DNS, you can't expect
to run a "direct to MX" MTA, and will need to route all your outbound
mail through some provider's submission service.
--
Viktor. 🇺🇦 Слава Україні!
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