Re: [Cake] cake for net-next 4.8

[Henning Rogge <hrogge@gmail.com>]

On Mon, Oct 3, 2016 at 11:17 PM, Neil Shepperd <nshepperd@gmail.com> wrote:
> Gmail spam team got back to me; they have apparently "fixed the problem",
> which I guess means messages here should stop being marked as spam soon.
> Because gmail's spam filters are top secret business, I couldn't tell you
> anything else :)

Yeah,

we know the drill... you could tell us, but then you would have to
delete our Google Account... ;)


Good to hear the problem is gone.

Henning
>
> On Fri, 30 Sep 2016 at 17:10 Dave Täht <dave@taht.net> wrote:
>>
>>
>>
>> On 9/30/16 1:37 PM, Neil Shepperd wrote:
>> > Disabling ipv6 (at least in the mail server, in outgoing direction) is
>> > probably the easiest option...
>>
>> It looks like the simplest thing I could do to allow inbound while
>> stopping outbound ipv6 would be to:
>>
>> /etc/postfix/main.cf:
>>     smtp_bind_address6 = ::1
>>
>>
>> > I see on most messages here DKIM-Signature headers apparently from
>> > gmail: "v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com
>> > <http://gmail.com>; s=20120113;". These signatures are failing because
>> > of the added message footer. No sign of a DKIM-Signature
>> > for lists.bufferbloat.net <http://lists.bufferbloat.net>. You'd need to
>> > set that up in the list MTA.
>>
>> Honestly my "email-fu" has declined considerably in recent years.
>> Despite the apparent simplicity of this idea, my brain just crashed
>> multiple times on setting it up with postfix + mailman 2.
>>
>> And thank you for poking so deeply into this, I was A) really annoyed by
>> the bloat-list-as-spam thing and B) clueless.
>>
>> > On Fri, 30 Sep 2016 at 15:42 Dave Täht <dave@taht.net
>> > <mailto:dave@taht.net>> wrote:
>> >
>> >
>> >
>> >     On 9/30/16 1:02 AM, Toke Høiland-Jørgensen wrote:
>> >     > Neil Shepperd <nshepperd@gmail.com <mailto: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 <http://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 <http://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 <mailto:Cake@lists.bufferbloat.net>
>> >     > https://lists.bufferbloat.net/listinfo/cake
>> >     >
>> >     _______________________________________________
>> >     Cake mailing list
>> >     Cake@lists.bufferbloat.net <mailto:Cake@lists.bufferbloat.net>
>> >     https://lists.bufferbloat.net/listinfo/cake
>> >
>
>
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