Re: Consensus Result on Issue #1 - Parameter on MAIL

On 2/2/2011 8:03 AM, John C Klensin wrote:
> 	If the client is aware that the envelope or message
> 	being sent does not require any of the EAI extension
> 	capabilities, it SHOULD NOT supply the UTF8SMTPbis
> 	parameter with the MAIL command.  This specification
> 	does not require that the client inspect the message or
> 	otherwise go to extraordinary lengths to assure itself
> 	whether these EAI capabilities are required for the
> 	particular message.  However, in mixed or transitional
> 	environments in which EAI is not completely deployed,
> 	more precision on the part of the client (sender) may
> 	prevent unnecessary message rejections.

So, the goal is to guarantee that no environment can ever be certain of 
operating in a simplified, "pure" UTF-8 mode?

As phrased, this language requires permanent support for legacy ASCII mode.

d/

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   Dave Crocker
   Brandenburg InternetWorking
   bbiw.net