On Thu, Apr 30, 2015 at 9:27 AM, Franck Martin <[email protected]>
wrote:

>
> I log any rejected email that has a List-Post or List-id (not all MLMs use
> List-Id). I see a lot of marketing emails and spam with these headers. So
> there is a need to make sure this is really a MLM. It is not overly
> complicated, considering I’m mostly the only one to subscribe to MLM with
> my corporate email address, but I wanted to mention the presence of such
> headers is not foolproof.
>

With List-Id becoming a more generic feedback channel, I suspect that its
value for indicating the participation of a MLM will further degrade.

--Kurt Andersen
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