Definitions for "X.400"
Keywords:  ccitt, itu, osi, recommendation, smtp
The ITU standard that defines message tokens.
Series of draft international standards for message handling systems, including e-mail, fax, and image/graphics transmission. Ratified by the ITU-T in 1984. X.400 support is available from IBM through IBM Interchange Services for e-business, GTMOSI, OSME, X.400 Connection, X.400 MTF, IPMS, ONDS, and on the iSeries 400.
ISO/CCITT standard for electronic mail, facilitating the interconnection of messaging systems.