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Re: MX dot was (Re: [ietf-dkim] TXT wildcards SSP issues

2007-06-06 15:56:27

On Jun 6, 2007, at 3:35 PM, Hector Santos wrote:

But why NO MAIL?  Why not other policies?

A system can have a default NO MAIL policy or a default I SIGN EVERYTHING or anything else.

Here is a workable Wildcard syntax that has a default NO MAIL POLICY

*._ssp       0  TXT   ... no mail policy...
_ssp         0  TXT   ... I may sign ..
public._ssp  0  TXT   ... I never sign ...
sales._ssp   0  TXT   ... I always sign ..
corp._ssp    0  TXT   ... I always sign ..

and one with a default I ALWAYS SIGN

*._ssp       0  TXT    ... I always sign ..
public._ssp  0  TXT   ... I never sign ...

This requires a transaction at every label within the domain in question, where of course, this also clobbers SLDs.

-Doug
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