On Fri, 2005-01-07 at 15:22 -0500, Marc Sherman wrote:
> I just got a strange message in my mainlog when mailing to the
> exim-users list:
>
> 2005-01-07 14:45:12 1Cn02g-0000Ki-7d sesame.csx.cam.ac.uk
> [2001:630:200:8080:20e:cff:fe09:a58a]: No route to host
>
> I suspect that this is because sesame has an AAAA record in DNS, and
> exim is compiled/configured to use IPv6, but my host doesn't actually
> have an IPv6-capable connection to the internet. Is that correct?
>
> If so, is the correct solution "dns_ipv4_lookup = *" ?
The correct solution is to realise that you _do_ have an IPv6-capable
connection to the Internet. Any IPv4-capable connection is also IPv6-
capable by virtue of the magic '6to4' tunnelling mechanism.
For a vaguely recent (i.e. later than Red Hat 7.0 or so) Linux setup it
takes about four lines of "yes please" in your networking config to
enable it. See
http://linux.yyz.us/ipv6-fc2-howto.html which also has
links to instructions for other operating systems.
--
dwmw2
