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