On Mon, Jun 28, 2004 at 03:36:08PM -0500, david nicol wrote: > We could demand SPF listing or c/r, until junk all has SPF. I'm strongly opposed to SPF, mainly because the technical details are insane. See for example what I said in RISKS: http://catless.ncl.ac.uk/Risks/23.18.html#subj10 Ian.