Re: [Shutup] [ietf-smtp] Proposed Charter for the "SMTP Headers Unhealthy To User Privacy" WG (fwd)
Stephen Farrell <stephen.farrell@cs.tcd.ie> Tue, 01 December 2015 22:58 UTC
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To: Christian Huitema <huitema@huitema.net>, 'Martijn Grooten' <martijn@lapsedordinary.net>, ietf-smtp@ietf.org
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From: Stephen Farrell <stephen.farrell@cs.tcd.ie>
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Subject: Re: [Shutup] [ietf-smtp] Proposed Charter for the "SMTP Headers Unhealthy To User Privacy" WG (fwd)
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On 01/12/15 19:50, Christian Huitema wrote: > On Tuesday, December 1, 2015 11:24 AM, Martijn Grooten wrote: >> >> I agree that if keeping your geolocation is a matter of life and death, > you >> shouldn't use email, but for me that is not a reason for the IP address to > be >> visible for anyone who can read the email. I think privacy matters, even >> when it's not about life and death. >> > > I am also concerned with automated mass surveillance, including traffic > analysis. The basic traffic analysis produces "5-tupple" logs. Since a lot > of the Internet usage is now mobile, there is no direct mapping between IP > addresses and user identities. To move from traffic analysis to > surveillance, the analyzers need to restore that mapping. There are multiple > ways to do that, as explained in RFC 7624, and email headers are one of > them. > > Clearly, there are also other sources of correlation between IP address and > identity. Various IETF working groups are busy closing these other sources > as well: MAC Address randomization to suppress direct mapping of identities > to roaming devices; DHCP anonymity profile to remove the leakage of metadata > in DNS packets; or, HTTPS to prevent observation of HTTP cookies. To break > the correlation between IP address and identity, we need to also close the > leakage in the SMTP traces. > > Everybody understands that there is a tension there between privacy and > fighting spam. I get the use case of the virus-infected home PC that > originates spam through the permissive SMTP relay of some local ISP. But > then many mail providers feel the need to provide privacy to their users, > which drives them to deploy their own formatting of the "received" field. We > do have a tension there, and that tension is precisely why we want to study > the alternatives and come up with a proposed recommendation. +1 to all the above. > Hence the WG > charter. Well... the charter text proposed (perhaps combined with the draft posted before) does seem to have caused a bit of an allergic reaction from many mail folks;-) I suspect those of us who would like to see work done to improve the privacy properties of mail may need to understand that reaction some more before trying to move stuff ahead. Cheers, S.
- Re: [Shutup] Proposed Charter for something Ted Lemon
- [Shutup] Proposed Charter for the "SMTP Headers U… Alexey Melnikov
- Re: [Shutup] Proposed Charter for the "SMTP Heade… John R Levine
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Dave Crocker
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Alexey Melnikov
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… John Levine
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Stephen Farrell
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Jim Fenton
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Christian Huitema
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… John Levine
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… John Levine
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… John Levine
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ned Freed
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… John Levine
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Rolf E. Sonneveld
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Chris Newman
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Steve Atkins
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Richard Clayton
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ned Freed
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ned Freed
- Re: [Shutup] chained authorizationm, was Proposed… John Levine
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… John Levine
- Re: [Shutup] chained authorizationm, was Proposed… Dave Crocker
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Al Iverson
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Steve Atkins
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Randall Gellens
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Martijn Grooten
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ned Freed
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Dave Crocker
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… John Levine
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Tony Finch
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… John Levine
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Dave Crocker
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… John Levine
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… John Levine
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Kurt Andersen (b)
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Chris Lewis
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Chris Lewis
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… John Levine
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Martijn Grooten
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Christian Huitema
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Stephen Farrell
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Stephen Farrell
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Chris Lewis
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Hector Santos
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Martijn Grooten
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Chris Lewis
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Chris Lewis
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Stephen Farrell
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] real life privacy tradeo… John Levine
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Dave Crocker
- Re: [Shutup] [ietf-smtp] real life privacy tradeo… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Dave Crocker
- Re: [Shutup] [ietf-smtp] real life privacy tradeo… John Levine
- Re: [Shutup] [ietf-smtp] real life privacy tradeo… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Derek J. Balling
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Stephen Farrell
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Dave Crocker
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Derek J. Balling
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Simon Josefsson
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Dave Crocker
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Derek J. Balling
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… John Levine
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Richard Clayton
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Christian Huitema
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Chris Lewis
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Chris Lewis
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Dave Crocker
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Chris Lewis
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Steve Atkins
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Chris Lewis
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Al Iverson
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Kurt Andersen
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Robert A. Rosenberg
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Chris Lewis
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Al Iverson
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Dave Crocker
- Re: [Shutup] [ietf-smtp] real life privacy tradeo… Derek J. Balling
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… MH Michael Hammer (5304)
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Chris Lewis
- Re: [Shutup] [ietf-smtp] real life privacy tradeo… Christian Huitema
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Robert A. Rosenberg
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Robert A. Rosenberg
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Chris Lewis
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Chris Lewis
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Dave Crocker
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Chris Lewis
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Ted Lemon
- Re: [Shutup] [ietf-smtp] Proposed Charter for the… Hector Santos
- [Shutup] Proposed Charter for the "SMTP Headers U… SM
- Re: [Shutup] Proposed Charter for the "SMTP Heade… Chris Lewis
- Re: [Shutup] Proposed Charter for the "SMTP Heade… Chris Lewis
- Re: [Shutup] Proposed Charter for the "SMTP Heade… Ned Freed
- Re: [Shutup] Proposed Charter for the "SMTP Heade… SM
- Re: [Shutup] Proposed Charter for the "SMTP Heade… Chris Lewis
- Re: [Shutup] Proposed Charter for the "SMTP Heade… Christian Huitema
- Re: [Shutup] Proposed Charter for the "SMTP Heade… Chris Lewis
- Re: [Shutup] Proposed Charter for the "SMTP Heade… SM
- Re: [Shutup] Proposed Charter for the "SMTP Heade… Martijn Grooten
- Re: [Shutup] Proposed Charter for the "SMTP Heade… Chris Lewis
- Re: [Shutup] Proposed Charter for something John Levine
- Re: [Shutup] Proposed Charter for the "SMTP Heade… Robert A. Rosenberg
- Re: [Shutup] Proposed Charter for something Dave Crocker
- Re: [Shutup] Proposed Charter for something Martijn Grooten
- Re: [Shutup] [ietf-smtp] Proposed Charter for som… John C Klensin
- Re: [Shutup] Proposed Charter for something Stephen Farrell
- Re: [Shutup] Proposed Charter for the "SMTP Heade… Ned Freed
- Re: [Shutup] Proposed Charter for the "SMTP Heade… Stephen Farrell
- Re: [Shutup] Proposed Charter for the "SMTP Heade… Christian Huitema
- Re: [Shutup] [ietf-smtp] Proposed Charter for som… Chris Lewis
- Re: [Shutup] Proposed Charter for something Hector Santos