spf-discuss
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[spf-discuss] Re: spf2.0/mfrom

2007-11-28 19:31:25
Julian Mehnle wrote:

   # domains with "spf2.0/...,mfrom,..."
  --------------------------------------- ~= 0.0052
   # domains with "v=spf1" or "spf2.0"

   # messages with "spf2.0/...,mfrom,..."
  ---------------------------------------- ~= 0.0064
   # messages with "v=spf1" or "spf2.0"

I'll leave drawing conclusions up to you ...

...that's actually hard, if it means (any mfrom)/(any SPF)
with results of less than 200:1 for (any spf)/(any mfrom).

"any spf" includes "only pra", and of course "any mfrom"
is impossible for "only pra".  It would be clearer if you
have an idea about "any mfrom not matching v=spf1", also
counting obvious "no v=spf1 at all" cases.

One reason why we should remove "mfrom" from the picture
is the ugly situation of different "mfrom" and "v=spf1"
policies.

 Frank

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