On Thu, Sep 23, 2010 at 3:16 PM, John R. Levine <johnl(_at_)iecc(_dot_)com>
wrote:
That's why my advice is that lists should sign their mail, which is easy and
at worst harmless, and we're done.
+1
For those lists that provide Web based signup, I'd suggest an ADSP
check before accepting the registration. Heck, even a notification in
the confirmation message would help too.
And once a MLM has confirmed a subscription, it should be harmless to
bounce messages from domains that use ADSP.
--
Jeff Macdonald
Ayer, MA
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