* on the Thu, Aug 27, 2015 at 04:55:04AM +0000, Phil Pennock wrote:
>> so the gmail ipv6 anti-spam nazis are discused endlessly. i want to
>> turn off ipv6 when sending to gmail/google. but how?
>
> Two approaches; the second approach is simpler and covers other domains
> hosted by gmail, but requires dynamic list maintenance over time (a la
> bogons).
>
> Honestly, I haven't seen issues with IPv6 to Google MX, but I use DKIM
> and some time back relented and published SPF too. That's all it's
> taken.
I haven't seen issues either, but then I also use DKIM and SPF. The big
one for GMail is making sure you have FCRDNS set up. That is an absolute
requirement of delivering mail to a Google mailserver over IPv6.
--
Mike Cardwell https://grepular.com https://emailprivacytester.com
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