On Mon, Oct 3, 2016 at 11:17 PM, Neil Shepperd <[email protected]> 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 <[email protected]> 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 <[email protected] >> > <mailto:[email protected]>> wrote: >> > >> > >> > >> > On 9/30/16 1:02 AM, Toke Høiland-Jørgensen wrote: >> > > Neil Shepperd <[email protected] <mailto:[email protected]>> >> > 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 >> > > [email protected] <mailto:[email protected]> >> > > https://lists.bufferbloat.net/listinfo/cake >> > > >> > _______________________________________________ >> > Cake mailing list >> > [email protected] <mailto:[email protected]> >> > https://lists.bufferbloat.net/listinfo/cake >> > > > > _______________________________________________ > Cake mailing list > [email protected] > https://lists.bufferbloat.net/listinfo/cake > _______________________________________________ Cake mailing list [email protected] https://lists.bufferbloat.net/listinfo/cake
