the O(N^2) problem
Edward B. DREGER
eddy+public+spam at noc.everquick.net
Mon Apr 14 13:41:50 UTC 2008
I received an off-list request: "Could you clarify what precisely you
are trying to secure?" I fear that perhaps I am still too vague.
When one accepts an email[*], one wishes for some sort of _a priori_
information regarding message trustworthiness. DKIM can vouch for
message authenticity, but not trust. (A valid DKIM signature shows that
selected headers/content have not been forged, but does not vouch for
content.)
If I receive email from someone I trust, there's a good chance it's
something I want. If from someone who someone I trust trusts, there's
still a good chance. As the chain lengthens, trust becomes a bit
dicier.
What I propose is orthogonal to DKIM.
I've also been asked to set up a separate mailing list. I'll do that,
and stop pollu^H^H^H^H^Htrying to elaborate on NANOG.
[*] Discussion limited to one example, but could be expanded.
Eddy
--
Everquick Internet - http://www.everquick.net/
A division of Brotsman & Dreger, Inc. - http://www.brotsman.com/
Bandwidth, consulting, e-commerce, hosting, and network building
Phone: +1 785 865 5885 Lawrence and [inter]national
Phone: +1 316 794 8922 Wichita
________________________________________________________________________
DO NOT send mail to the following addresses:
davidc at brics.com -*- jfconmaapaq at intc.net -*- sam at everquick.net
Sending mail to spambait addresses is a great way to get blocked.
Ditto for broken OOO autoresponders and foolish AV software backscatter.
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