[dmarc-discuss] Google & IPv6 SPF check

Pradeep Kyasanur kyasanur at googlers.com
Wed Jun 20 09:02:39 PDT 2012

Hi Alexey,

Can you let me know the domains you are seeing the issue? We fixed the
issue mentioned below (A/MX includes in SPF record) last week, and another
issue will be fixed this week.

On Wed, Jun 20, 2012 at 12:48 AM, Alexey Kapranov <kapp at yandex-team.com>wrote:

> Hello, Pradeep.
> Is the mentioned fix out?
> We are still seeing the problem.
> 08.06.2012, 19:36, "Pradeep Kyasanur" <kyasanur at googlers.com>:
> 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,
> --
> Alexey Kapranov,
> Yandex Mail technical manager
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