On Tue, Jan 14, 2014 at 8:51 PM, Ted Cooper <[email protected]> wrote: > On 15/01/14 10:06, Brandon Applegate wrote: >> Off-list replies are fine to minimize noise, and if there is an answer >> or any meaningful correlation I will reply on-list. Thanks in advance >> for any info/feedback. >
brandon, I didn't get your original... but could you ping me off-list and maybe I can get some data about what it is you're seeing? :) > I have been running into these a lot also and have so far concluded that > it is an error within Google. The PTR/AAAA, SPF and DKIM are all matched > up and tested as working. It also occurring on domains using google apps > to handle their email so it is platform wide. All of the emails are > personal emails, but coming from multiple domains/senders. > > The exact same email will be rejected when sent to any google IPv6 > server for minutes/hours, but 3-4 hours later it will be accepted > without error. > > The fact that it is being hard rejected is really quite annoying and > generating a lot more support work. > > Unfortunately, my only fix at present is to turn off IPv6 delivery for > all google hosted domains as I encounter them. It would be really nice > if it was fixed. > > My theory is that they are failing PTR lookups. > > >
