On Thu, Aug 02 2012, Stefano Zacchiroli <zack@upsilon.cc> wrote: > On Wed, Aug 01, 2012 at 01:20:08PM -0400, Daniel Kahn Gillmor wrote: >> The proposed feature could also exacerbate the previously-discussed >> attack vector [0] whereby a malicious Message-ID collision can be used >> to hide messages from the victim's mailstore. >> >> [0] id:87k42vrqve.fsf@pip.fifthhorseman.net > > I didn't find the reference above but, http://mid.gmane.org/87k42vrqve.fsf@pip.fifthhorseman.net jamie.