> > In fact, there isn't any sane way to detect "inconsistent" header > > information without external hints - this is the reason why there's the > > SPF proposal, the Yahoo domain-keys proposal, and Microsoft's proposal. > > And MARID. and don't forget <HREF="http://sa.vix.com/~vixie/mailfrom.txt";>MAIL-FROM</A>. -- Paul Vixie _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf