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From: "Dave Täht" <dave@taht.net>
To: cake@lists.bufferbloat.net
Subject: Re: [Cake] cake for net-next 4.8
Date: Fri, 30 Sep 2016 12:42:52 -0700	[thread overview]
Message-ID: <50625ff6-5baf-6c4b-6e1b-55d55a37c199@taht.net> (raw)
In-Reply-To: <874m4xbyt4.fsf@toke.dk>



On 9/30/16 1:02 AM, Toke Høiland-Jørgensen wrote:
> Neil Shepperd <nshepperd@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
> _______________________________________________
> Cake mailing list
> Cake@lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/cake
> 

  parent reply	other threads:[~2016-09-30 19:42 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-25 18:30 Dave Taht
2016-09-27 14:38 ` Jonathan Morton
2016-09-27 16:04   ` Dave Taht
2016-09-27 16:13     ` Jonathan Morton
2016-09-29 23:22       ` Neil Shepperd
2016-09-30  8:02         ` Toke Høiland-Jørgensen
2016-09-30 13:08           ` Neil Shepperd
2016-09-30 19:42           ` Dave Täht [this message]
2016-09-30 20:37             ` Neil Shepperd
2016-09-30 21:10               ` Dave Täht
2016-10-03 21:17                 ` Neil Shepperd
2016-10-04  6:33                   ` Henning Rogge
2016-10-04 16:09                   ` Dave Täht
2016-10-20  5:56                     ` Neil Shepperd
2016-09-27 17:52 ` Jonathan Morton
2016-09-27 18:18   ` Dave Taht
2016-09-27 18:56     ` Jonathan Morton
2016-09-27 19:29       ` Dave Taht
2016-09-27 19:54         ` Jonathan Morton
2016-09-28 23:26       ` Dave Taht
2016-09-28 23:34         ` Jonathan Morton
2016-09-29 20:43           ` Andrew Shewmaker

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