ietf-asrg
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[Asrg] Re: A Technique for Universal Authentication

2006-09-01 14:51:10
Michael Kaplan wrote:

I will illustrate by example. You receive an email from a
stranger. As is often the case the email is not authenticated
by DKIM or Sender ID, it isn't S/MIME signed, and it isn't
using a sub-address. Your filter rates this email as having
an intermediate risk for being spam. Under my system this
email would be bounced back to the sender

That's technically impossible, unless you forgot to mention
that it had an SPF PASS.  Otherwise you participate with over
95% probability in DDoS or other net abuse, sending mails to
innocent bystanders.



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