Incoming SMTP in the year 2017 and absence of DKIM

Michael Thomas mike at
Wed Nov 29 18:12:05 UTC 2017

On 11/29/2017 10:03 AM, valdis.kletnieks at wrote:
> On Wed, 29 Nov 2017 09:32:27 -0800, Michael Thomas said:
>> There are quite a few things you can do to get the mailing list
>> traversal rate > 90%, iirc.
> Only 90% should be considered horribly broken.  Anything that makes
> it difficult to run a simple mailing list with less that at least 2 or 3 9's
> is unacceptable.

I've been saying for years that it should be possible to create the 
concept of DKIM-friendly mailing lists. In such
a case, you could have your nines. Until then, the best you can hope for 
is the list re-signing the mail and blaming
the list owner instead.


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