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Re: [ietf-dkim] RFC4871bis - whether to drop -- x: Signature expiration

2009-06-02 18:59:41
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On Jun 2, 2009, at 3:20 PM, Murray S. Kucherawy wrote:

I agree. As a receiver, I laugh in the face of the very notion that  
am
obligated to do anything with a message other than as I will.

Which means you're also given the option to know what the signer's  
notion of the signature's validity time is.  And you're free to  
ignore it too.

If the signer doesn't provide it, the receiver has lost the choice  
to ignore it or use it.

I can't say for sure that anyone is or isn't using it, but I would  
prefer not to remove flexibility that's there now even if it was  
possibly a mistake for it to be there in the first place (unless of  
course it's clearly harmful).

Noted. You are correct.

You bring up a good point, and I'm going to start a separate note.

        Jon


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