> Other failures leading to the failure of X.400 was
naming. The biggest failure of X.400 was naming. X.400/X.500 style naming was and remains an unqualified disaster. Not that the pre-DNS alternative (UUCP) was great, but that name@domain turns out to be infinitely better than X.400.
naming. The biggest failure of X.400 was naming. X.400/X.500 style naming was and remains an unqualified disaster. Not that the pre-DNS alternative (UUCP) was great, but that name@domain turns out to be infinitely better than X.400.