On 6/2/10 2:43 PM, Michael Thomas wrote:
Instead of kvetching about ADSP, you might tell the list owners that their
list software heuristics are broken.
Michael,
Mailing lists are on higher ground, since they are not introducing the
new mechanism. ADSP is dealing with an issue significantly impacting
less than one percent of email domains. Mailing lists, on the other
hand, serve a much higher percentage.
Domains wanting to make restrictive ADSP assertions while using
third-party services, should enumerate which are to be excluded. This
enumeration helps prevent breakage without needing to elicit cooperation
from non-participants. This enumeration is possible within a single
transaction that only occurs with the infrequent corner cases. The goal
of reducing the success of phishing is far better met when not requiring
targeted domains to use more domains or sub-domains as their only means
to isolate policy. Especially when this leaves personal interactions
exposed and creates increased recipient confusion.
-Doug
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