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TO MARADMIN
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UNCLAS //N01200//
MARADMIN 450/01
MSGID/GENADMIN/CMC WASHINGTON DC/C4//
SUBJ/MARKING CLASSIFIED EMAIL MESSAGES ON SIPRNET//
REF/A/DOC/DOD 5200.1-R/JANUARY 1997//
REF/B/DOC/SECNAVINST 5510.36/17 MARCH 1999//
REF/C/DOC/MCO 5510.18A/3 FEBRUARY 2000//
REF/D/DOC/DOD 5200.1-PH/APRIL 1997//
NARR/REF A IS THE DOD INFORMATION SECURITY PROGRAM REGULATION. REF B
IS THE DON INFORMATION SECURITY PROGRAM REGULATION. REF C IS THE
MARINE CORPS INFORMATION AND PERSONNEL SECURITY PROGRAM MANUAL. REF D
IS THE DOD GUIDE TO MARKING CLASSIFIED DOCUMENTS.//
POC/ELAINE CASSARA/GS-14/HQMC C4/-/TEL:DSN 223-3490/COMM:703-693-3490
/EMAIL:CASSARAES@HQMC.USMC.MIL//
RMKS/1. PURPOSE. THE PURPOSE OF THIS MESSAGE IS TO REMIND SIPRNET
USERS THAT EMAIL MESSAGES ON THE SIPRNET SHOULD BE TREATED NO
DIFFERENTLY THAN ANY OTHER TYPE OF CLASSIFIED DOCUMENT AND MUST BE
MARKED AS REQUIRED BY REFS A THROUGH C.
2. BACKGROUND. ONLY INDIVIDUALS DESIGNATED AS ORIGINAL CLASSIFICATION
AUTHORITIES (OCA)(IAW REF B, PARA 4.4.) MAY DESIGNATE INFORMATION AS
CLASSIFIED. OCA MAY CREATE AND PUBLISH INFORMATION THAT HAS NOT
BEEN PREVIOUSLY CLASSIFIED IN THE INTEREST OF NATIONAL SECURITY.
SIPRNET USERS WHO UTILIZE PREVIOUSLY CLASSIFIED INFORMATION MUST
ENSURE THAT THE APPROPRIATE LEVEL OF CLASSIFICATION IS DEPICTED.
INFORMATION IN SIPRNET EMAIL MESSAGES SHALL BE DISTINCTLY MARKED
WHETHER THE INFORMATION IS CLASSIFIED OR UNCLASSIFIED.
3. SCOPE. THIS MESSAGE SHALL BE DISSEMINATED TO ALL MARINE
CORPS SIPRNET USERS. ITS FOCUS IS INTENDED SPECIFICALLY FOR EMAIL
USE ON THE SIPRNET.
4. DISCUSSION. APPROPRIATE CLASSIFICATION MARKING OF SIPRNET EMAIL
MESSAGES MUST BE DONE NO DIFFERENTLY THAN DOCUMENTS CREATED IN WORD
PROCESSING, SPREADSHEETS AND PRESENTATION SOFTWARE. UNTIL AN
AUTOMATED SOLUTION HAS BEEN EVAULATED AND APPROVED FOR USE IN THE
USMC, CLASSIFICATION MARKINGS WILL BE DONE MANUALLY. IN
CASES WHERE THE EMAIL MESSAGE ITSELF IS UNCLASSIFIED, BUT CONTAINS
A SECRET OR CONFIDENTIAL ATTACHMENT, THE OVERALL PAGE MARKING SHOULD
READ EITHER "SECRET (UNCLASSIFIED UPON REMOVAL OF ATTACHMENT)" OR
"CONFIDENTIAL (UNCLASSIFIED UPON REMOVAL OF ATTACHMENT)"
ACCORDINGLY. REF (D) IS A HELPFUL GUIDE THAT EXPLAINS, IN AN EASY
TO UNDERSTAND MANNER, HOW TO MARK CLASSIFIED INFORMATION AND MAY BE
FOUND AT HTTP://WWW.DTIC.MIL/WHS/DIRECTIVES/ UNDER PUBLICATION
(REGS, MANUALS, ETC.) IT IS RECOMMENDED THAT SIPRNET USERS REFER TO
THIS GUIDE FOR A CLEAR UNDERSTANDING OF HOW TO MARK EMAIL MESSAGES
ON THE SIPRNET.//
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