- The Canonical Internet vs X.400 Debate This document is an attempt to capture some of the essential points that occur in the annual flamefest on the mhsnews mailing list (mhsnews@uninett.no, also the newsgroup comp.protocols.iso.x400). It is not an attempt to end the debate, rather an attempt to make a list of points that have been raised before, so that new contributors to the battle can bring ...www.alvestrand.no/x400/debate