On Wed, Apr 24, 2024 at 07:23:00PM +0200, Kim Sindalsen via Postfix-users wrote:
> > Regardless, as things stand, the default Fedora 39 nsswitch.conf
> > makes Postfix restrictions much too fragile, and needs to be
> > avoided.
>
> files dns is standard on my installation (Gentoo Linux/OpenRC)
On Wed, Apr 24, 2024, Kim Sindalsen via Postfix-users wrote:
> https://man.archlinux.org/man/nss-resolve.8.en seems to say that the order
> should be:
> mymachines resolve [!UNAVAIL=return] files myhostname
Might be bad advice - we found this problem:
If /etc/nsswitch.conf uses myhostname for
> -Original Message-
> From: Viktor Dukhovni via Postfix-users
> Sent: 24. april 2024 09:19
> To: postfix-users@postfix.org
> Subject: [pfx] Re: IMPORTANT, drop "resolve [!UNAVAIL=return]" from Linux
> nsswitch.conf files
>
> On Wed, Apr 24, 2024 at
On Wed, Apr 24, 2024 at 07:43:35AM +0200, Reto via Postfix-users wrote:
> On Mon, Apr 22, 2024 at 03:50:34PM GMT, Viktor Dukhovni via Postfix-users
> wrote:
> > and this (specifically, !UNAVAIL=return) turns soft DNS failures into
> > hard errors.
> >
> > The solution, on any production mail
On Mon, Apr 22, 2024 at 03:50:34PM GMT, Viktor Dukhovni via Postfix-users wrote:
> and this (specifically, !UNAVAIL=return) turns soft DNS failures into
> hard errors.
>
> The solution, on any production mail server, is to remove (with
> prejudice)
>
> resolve [!UNAVAIL=return]
This doesn't
