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Military Message Handling System

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This is an old revision of this page, as edited by Wsheward (talk | contribs) at 13:11, 18 December 2007 (I have edited the 'Isode' link so it correctly points to the commercial organisation Isode and not to the ISO Development Enironment). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

MMHS (Military Message Handling System) is a profile and set of extensions to X.400 for messaging in military environments. It is NATO standard STANAG 4406 and CCEB standard ACP 123. It adds to standard X.400 email support for military requirements such as mandatory access control (i.e. Classified/Secret/Top Secret messages and users, etc.). In particular it defines a new message format, P772 that is used in place of X.400's interpersonal message formats P2 (1984 standard) and P22 (1988 standard).

MMHS specifications are implemented by several X.400 vendors, particularly those located in Europe, such as Boldon JamesClearswift, Thales Group, Nexor and Isode.

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