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Re: [ietf-smtp] [Shutup] Proposed Charter for the "SMTP Headers Unhealthy To User Privacy" WG (fwd)

2015-12-11 07:28:31
On 11/12/2015 13:24, Martijn Grooten wrote:
On Fri, Dec 11, 2015 at 09:57:05AM +0000, Paul Smith wrote:
On whether IP addresses are useful in Received headers...
I don't think anyone has said that IP addresses in general can't be
useful in Received headers. Nor has anyone suggested to remove the
addresses of public facing mail servers from the headers.

I believe your example concerns such an IP address.

No, it was the IP address of a 'user' from the ISP's point of view. Something was logging into the ISP's mail server using a username/password. It was that 'something' whose IP address we needed to see to be able to tell whether it was coming from the authentic user's network, or somewhere else.

As far as I can tell, it's exactly that IP address which it is being suggested to obfuscate.

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