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ITU-T X.420 (1996) Amd. 2 (12/1997)

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Citation:	https://handle.itu.int/11.1002/1000/4170
Series title:	X series: Data networks, open system communications and security X.400-X.499: Message Handling Systems
Approval date:	1997-12-12
Identical standard:	ISO/IEC 10021-7:1997/Amd2 (Common)
Approval process:	TAP
Status:	Superseded
Observation:	Never published, consolidated in X.420 (1999)
Maintenance responsibility:	ITU-T Study Group 17
Further details:	Patent statement(s)

EditionsImplementer's guide(s)Related technical papers and reports

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
5	X.420 (06/1999)	In force	here	here	here
4.6	X.420 (1996) Amd. 3 (09/1998)	Superseded	-	-	here
4.5	X.420 (1996) Technical Cor. 3 (09/1998)	Superseded	-	-	here
4.4	X.420 (1996) Amd. 2 (12/1997)	Superseded	-	-	here
4.3	X.420 (1996) Technical Cor. 2 (12/1997)	Superseded	-	-	here
4.2	X.420 (1996) Amd. 1 (08/1997)	Superseded	here	here	here
4.1	X.420 (1996) Technical Cor. 1 (08/1997)	Superseded	-	here	here
4	X.420 (10/1996)	Superseded	here	here	here
3	X.420 (09/1992)	Superseded	-	here	here
2	X.420 (11/1988)	Superseded	-	here	here
1	X.420 (10/1984)	Superseded	-	-	Not available

Title	Approved on	Download
MHS Implementers' Guide (Version 14, March 2000)	2000-03-01	here
MHS Implementers' Guide (Version 13, July 1995)	1995-07-01	here
MHS Implementers' Guide (Version 8, March 1992)	1992-03-01	here

Title	Approved on	Download
Guidelines for identity-based cryptosystems used for cross-domain secure communications	2023	here
Overview of hybrid approaches for key exchange with quantum key distribution	2022	here
Guidelines for security management of using artificial intelligence technology	2022	here
Successful use of security standards (2nd edition)	2020	here
Description of the incubation mechanism and ways to improve it	2020	here
Strategic approaches to the transformation of security studies	2020	here