Email Protective Marking Standard for the Australian Government

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DisclaimerThis document has been prepared by the Department of Finance and Deregulation (Finance)in consultation with industry and other agencies, including the Attorney-General’s Departmentand the Defence Signals Directorate (DSD) to provide information to government bodies inrelation to the use of email within the Australian Government.This document and the information contained herein are provided on an “as is” basis and thecontributors and the organisations they represent and are sponsored by disclaim allwarranties, express or implied, including but not limited to any warranty that the use of theinformation herein will not infringe any rights or any implied warranties of merchantability orfitness for a particular purpose.Links to other websites are inserted for convenience only and do not constitute endorsementof material at those sites, or any associated organisation, product or service.© Commonwealth of Australia 2012ISBN 978-1-922096-05-0 onlineApart from any use permitted under the Copyright Act 1968, and the rights explicitly grantedbelow, all rights are reserved.You are free to copy, distribute and transmit the work as long as you attribute the authors. Youmay not use this work for commercial purposes. You may not alter, transform, or build uponthis work.Except where otherwise noted, any reference to, reuse or distribution of all or part of thisreport must include the following attribution:Email Protective Marking Standard for the Australian Government, Copyright AustralianGovernment 2012.Licence: This document is licensed under a Creative Commons Attribution Non-Commercial NoDerivs 3.0 licence.To view a copy of this licence, visit: http://creativecommons.org/licenses/by-ncnd/3.0/legalcode.Any of the above conditions can be waived if you get our permission. Requests for permissionshould be addressed in the first instance to authentication@finance.gov.auCOMPLIANCE WITH THE PSPF AND THE ISMThe Email Protective Marking Standard for the Australian Government Version 2012.3 (August2012) has been developed to assist agencies implement email protective markings.Compliance with this document will assist agencies manage and protect AustralianGovernment information in accordance with the protective marking requirements of theAustralian Government Protective Security Policy Framework (PSPF) and the AustralianGovernment Information Security Manual (ISM).The ISM, issued by DSD, stipulates that agencies must comply with this Standard.2
AbstractThis Standard defines the format of protective markings for Internet email messageheaders used for messages exchanged within and between Australian Governmentagencies. A protective marking conveys the protection requirements for information ina message, as defined within the Australian Government Protective Security PolicyFramework. The protective marking may also contain additional information about themessage that tells systems and system users how to appropriately disseminate theinformation contained in the message.Further information on protectively marking and handling sensitive and securityclassified information can be found at: Protectively marking and handling sensitive andsecurity classified information [DOC 793KB] 1SummaryAttributeSubject Line(count)Internet MessageHeader Extension(count)ContentformatDefined Basis /ReferenceVER 0 1 Fixed 2.11.13 ThisStandardNS 0 1 Fixed 2.11.12 PSPFSEC 0..1 0..1 Fixed set 2.11.4 PSPF, MTEE,ThisStandardDLM 0..1 0..1 Fixed set 0 PSPFCAVEAT 0..n 0..n Fixed set& freetext2.11.6 PSPF, MTEEEXPIRESDOWNTO0..1 0..1Fixedformat 2.11.7 PSPFFixed setNOTE 0 0..1 Free text 2.11.10 PSPFORIGIN 0 1 Fixedformat2.11.11 PSPF1 http://www.ag.gov.au/Documents/Australian%20Government%20information%20security%20management%20guidelines%20-%20Protectively%20marking%20and%20handling%20sensitive_1678.pdf3
Page 1: Email Protective Marking Standardfo
Page 5 and 6: Changes from Version 1.0 26Changes
Page 7 and 8: 1.2 AudienceThis Standard is intend
Page 9 and 10: 2.4 NamespaceThe protective marking
Page 11 and 12: 2.10 Regular Expression DefinitionT
Page 13 and 14: Values for DLMs that may be conditi
Page 15 and 16: NS appears in the Internet Message
Page 17 and 18: 2.11.1 Base tokenscomma-FWS = "," F
Page 19 and 20: 2.11.6 Caveat rulescaveat-tag = %d6
Page 21 and 22: 2.11.13 Version rulesversion-tag =
Page 23 and 24: 4. GlossaryThese definitions have b
Page 25 and 26: 5. Appendix AA5.1 Change LogThis is
Page 27 and 28: Changes from 2005.3Specified Intern
Page 29 and 30: 6. Appendix B6.1 ExamplesFor the sa
Page 32: A message containing SECRET informa

Email Protective Marking Standard for the Australian Government

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