Re: [exim] [Debian normal bug #296492] exim4: remote_smtp tr…

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Autor: Marc Haber
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A: exim-users
Assumpte: Re: [exim] [Debian normal bug #296492] exim4: remote_smtp transport should fallback to ipv4 with fallback_hosts too
On Sun, 27 Feb 2005 13:46:50 +0000, David Woodhouse
<dwmw2@???> wrote:
>On Sun, 2005-02-27 at 00:06 +0100, Marc Haber wrote:
>>----- Forwarded message from Laurent Fousse <laurent@???> -----
>>
>>> When sending to a remote host that has both an ipv6 and ipv4 RR, exim
>>> falls back immediately to ipv4 when ipv6 connectivity is not present.
>>> I noticed however that exim is stuck to ipv6 when it's trying to send
>>> to a "fallback_host".
>
>Pleae define 'stuck to' in this context.


I have forwarded your question to the original bug reporter. I hope
that they will get back to us with enlightenment.

>If the first address returned from getaddrinfo() is the IPv6 address and
>you don't have a global IPv6 address of your own, then your resolver
>isn't conforming to RFC3484.


How can I check that? Is there a test entry out there in DNS which I
can use to verify how a Debian system behaves?

>Nevertheless, the failure to connect to the IPv6 address(es) should be
>fairly much instant, and we should fall back to the other address(es).
>Please could you describe the problem in more detail?


Trying to obtain more information. Thanks.

Greetings
Marc

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