Re: rfc2822bis -- adding clarifying Sender: text

Hi Pete,
At 12:28 19-01-2008, Pete Resnick wrote:
> No. That's not how RFC 2119 MUSTs and SHOULDs are used. MUST NOT 
> means that doing so is known to cause harm or interfere with 
> interoperation. That simply isn't the case here. We can imagine 
> cases where having redundant Sender information might cause 
> confusion, but we say SHOULD NOT because there may exist valid 
> reasons where the behavior is acceptable.
Agreed.  Thank you for the clarification.

Regards,
-sm