ietf-dkim
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Re: [ietf-dkim] Whither 4871bis?

2009-05-06 12:48:08

On May 6, 2009, at 8:50 AM, Dave CROCKER wrote:

If, indeed, a feature is unused or problematic, then how will  
dropping it hurt adoption?  A simpler specification typically aids  
adoption, rather than hurting it.

And just to keep things real, can you cite some examples of the  
effect you are concerned about?

Dave,

Deciding whether to place significant resources into services based  
upon DKIM can be stymied by those that don't understand how a feature  
_might_ be used productively once the services are in place.  Take for  
example the redefinition of the i= value that just took place within  
the last errata.  This represents a significant functional change with  
respect to information exchange.  This change can and likely will  
impact both email annotation services, as well as reputation  
services.   These services take time to develop.  Removing  
"problematic" features this early IS the problem.  The i= value is  
optional and is not required to match against any email-address.  The  
i= value only adds information, provided of course the definition for  
this field and its exchange is not changed.

-Doug
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