Re: purely local DNS

[Adam Weremczuk <adamw@matrixscience.com>]

Thanks for the hint Todd.

I've replaced it with:

smtp_dns_support_level = disabled

and it's still working as expected.

---
Adam

On 15/07/2024 18:49, Todd Zullinger wrote:

> It's probably worth noting that `disable_dns_lookups` has
> been deprecated for a long time.  The postconf(5) man page
> says:
>
>      As of Postfix 2.11, this parameter is deprecated; use
>      smtp_dns_support_level instead.
>
> (Debian 12 has postfix-3.7.11; well past postfix-2.11.)
>
> I don't know if `smtp_dns_support_level` is needed at all
> with `smtp_host_lookup = native`.  I've never run an MTA
> where I wanted DNS lookups disabled, so I don't have any
> direct experience.
>
> If it is needed, you'd surely be better off avoiding the
> long-deprecated `disable_dns_lookups` parameter which will
> just set you up for failure with some future update.