On 4/8/14 7:23 AM, "Dave Crocker" <[email protected]> wrote:

>On 4/8/2014 9:13 AM, Steve Atkins wrote:
>> It's easy to fix mailing lists without that loss of functionality.
>>
>> Block any attempt to post to a mailing list from a domain that
>> publishes strict DMARC. That doesn't affect functionality for
>> legitimate users and it complies with the domain owners
>> wishes (however misguided).
>
>That's clever, and oddly constructive.  It informs the user of the issue
>at exactly the right time:  when the subscription is being attempted and
>the user is focused on the possibility of the subscription having
>problems.  Much better than indirect and obscure notification later,
>after posting a message.

This was suggested some years ago, when we did RFC6377.

>
>On the other hand, this has the classic problem of requiring mailing
>lists to change.  That is, this approach does not help anyone currently
>and won't help much for a very long time, if ever.
>

That's true.  I'm having some trouble with the notion that MLMs need to be
immune from change because they somehow have that status.

You're right that this is a paradigm change.  Just to clarify, are you
saying those should be off the table outright, or merely that the
community really really needs to understand the implications?

-MSK


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