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[ietf-dkim] Re: Some concerns with SSP impact on very small businesses

2008-01-09 03:09:54
Jim Fenton wrote:
 
We need to make every effort to make everyone know that publishing
'all' or (particularly) 'strict' is not something that is done
lightly.

+1  

It is similar for publishing PRA FAIL and SPF FAIL, so you are
not forced to start this education from scratch.   In a nutshell
policies allowing efficient identification of *suspicious* mails
will cut both ways, and limit some uses possible without such
policies.

Mechanisms allowing only to identify *good* mails like pure DKIM
don't have this problem, and on the other hand they can't cut ;-)

I know of tools that are under development to help domain owners
know from where mail from their domains is being sent, and 
hopefully this will raise awareness too.

It's possible to use the SPF and PRA "exists" mechanism to figure
this out, but for SSP with its "first author" you'd miss exactly
the interesting cases (for SSP) if you log Mail From or PRA uses.

 Frank

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