ietf-mxcomp
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Re: Trouble with Sender Authentication

2006-11-09 23:05:57

Could someone kindly point me to workable CSV library so that I
could provide Doug with an example of using CSV to generate highier
amount of amplification than his assertions about SPF?

It'll be a challenge.  CSV is a single DNS query per message, so the
only things you get to use for amplification are delegation and
CNAMEs.

I do agree that the DNS threat from SPF is not qualitatively worse
than what we already put up with for CNAMEs.

R's,
John


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