Well, that's the crux of the issue. If I make this change and a
DMARC-incompatible mailing list forwards a message to Gmail, the message
might be treated as spam. But I don't know which mailing lists are
DMARC-incompatible until after I make this change. I'm in a state of
paralysis. :-(
Jesse
On 4/6/2018 10:57 AM, Brandon Long wrote:
I know when I suggested it originally on this list, some folks found
some bugs, which we fixed.
That said, the spam team seems to reinvent dmarc parsing periodically
(on top of our main dmarc processing), and it's often less than
correct. In this case, it'll just mean that mail that doesn't pass will
more likely be marked as spam, so it's probably mostly safe if you've
gotten most of your sources covered. And let me know, I can hassle them
again if it's broken again.
Brandon
On Fri, Apr 6, 2018, 8:31 AM Jesse Thompson <jesse.thomp...@wisc.edu
<mailto:jesse.thomp...@wisc.edu>> wrote:
Great, thank you! I'll give it a whirl and report back if anything
negative happens.
Jesse
On 4/5/2018 7:42 PM, Todd Herr via mailop wrote:
> We saw no negative side effects when we did it here for our
domains, and
> we did it for precisely the reason you're planning to do it, to
trigger
> Google Groups.
>
> On Thu, Apr 5, 2018 at 7:00 PM, Jesse Thompson
<jesse.thomp...@wisc.edu <mailto:jesse.thomp...@wisc.edu>
> <mailto:jesse.thomp...@wisc.edu
<mailto:jesse.thomp...@wisc.edu>>> wrote:
>
> Does anyone know of any negative side effects of setting a DMARC
> policy: p=quarantine pct=0 ?
>
> Is it equivalent to: p=none ?
>
> I'm curious because I want to trigger Google Groups (and maybe
> others list forwarders?) to rewrite the From in a DMARC compliant
> fashion *prior* to changing the domain's DMARC policy... to avoid
> the "leap of faith" that p=none's monitoring mode was supposed to
> alleviate.
>
> Thanks,
> Jesse
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>
> *todd herr**
> **sr. delivery engineer
> www.sparkpost.com <http://www.sparkpost.com>
<http://www.sparkpost.com>*
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>
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