[Cake] cake for net-next 4.8

Dave Täht dave at taht.net
Fri Sep 30 15:42:52 EDT 2016

On 9/30/16 1:02 AM, Toke Høiland-Jørgensen wrote:
> Neil Shepperd <nshepperd at gmail.com> writes:
>> I think I have now accumulated enough spam/nonspam classified emails
>> to make a statistically signification observation: it seems like all
>> emails classified as spam from these lists were send from ipv6:
>> SPF: PASS with IP 2600:3c03:0:0:f03c:91ff:fe61:86ce  
>> All emails from bufferbloat.net lists are failing DKIM (because of the
>> mailing list footer breaking the DKIM signature) which might be worth
>> fixing, and failing DMARC because all mailing lists fails DMARC
>> (however google does not have a strict DMARC policy so that shouldn't
>> matter, I hope).
>> By the way, it's not just you, either. I have emails from others on
>> these lists in my spam folder.
>> The distinguishing factor seems to be whether the email was sent from
>> the lists.bufferbloat.net ipv6 address. Unless this address
>> corresponds to some kind of tunnel broker possibly also used by
>> spammers, I can only assume this is some kind of bug (after all, it
>> was spf validated so the address shouldn't matter at that point?).
> Indeed, gmail requires extra measures for IPv6:
> https://support.google.com/mail/answer/81126 (scroll down to "Additional
> guidelines for IPv6").
> Fixing DKIM might be worthwhile :)

But it passes the spf check?? And the reverse lookup is correct.

How about I just disable ipv6?

Have no idea why dkim doesn't work.

> -Toke
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