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`X Series : X.400
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`X.400 : Message handling services: Message handling system and service overview
`
`Recommendation X.400
`
`Number
`
`F.400/X.400 (06/99)
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`Number
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`F.400/X.400 (11/88)
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`F.400/X.400 (03/93)
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`F.400/X.400 (07/96)
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`In force components
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`Title
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`Message handling system and service overview
`
`Superseded and Withdrawn components
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`Title
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`Message handling system and service overview
`This Recommendation is also published under alias number X.400
`
`Message handling services: Message handling system and service overview
`This Recommendation is published with the double number F.400 and X.400
`
`Message handling services: Message handling system and service overview
`This Recommendation is published with the double number F.400 and X.400
`
`F.400/X.400 (1996) Amendment 1 (09/98)
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`Enhancements
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`Status
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`In force
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`Status
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`Superseded
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`Superseded
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`Superseded
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`Superseded
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`Top Feedback Contact us Copyright © ITU 2008 All Rights Reserved
`Contact for this page : ITUT Publications
`Updated : 2007/08/29
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`5/14/2015
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`X.400 : Message handling services: Message handling system and service overview
`
`https://www.itu.int/rec/T-REC-X.400/en
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`Page 1 of 1
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`AT&T EXHIBIT 1014
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