[dmarc-discuss] Google & IPv6 SPF check

Pradeep Kyasanur kyasanur at googlers.com
Fri Jun 8 08:36:14 PDT 2012

Hello Stef,

Thanks for the report. We have identified a bug with our SPF checking in
some cases when a record has an A/MX include and that resolves to an IPv6
address. We expect a fix to be out early next week.

On Thu, Jun 7, 2012 at 4:13 PM, Stef Simoens <stef+dml at bgs.org> wrote:

> Hello,
> I'm not sure if this is the good platform to raise this kind of issues,
> but I'm sure there are some Google Mail people on this list.
> The google.com reports of June 5th and June 6th show my IPv6 IP as
> sender, but also reveal that the SPF check failed. E-mails sent with the
> IPv4 address look OK (SPF check OK).
> To my knowledge, my SPF and DNS set-up (domain bgs.org; v=spf1 mx a:
> claudette.bgs.org -all; claudette.bgs.org A / AAAA
> 2001:41d0:2:30db::207) should work for both IPv4 and IPv6.
> Anyone else having the same issue with IPv6?
> Kind regards,
> --
> Stef Simoens
> BGS.org hostmaster
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