DOD INSTRUCTION 8170.01
O
NLINE INFORMATION MANAGEMENT AND ELECTRONIC
MESSAGING
Originating Component: Office of the Chief Information Officer of the Department of Defense
Effective: January 2, 2019
Change 1 Effective August 24, 2021
Releasability: Cleared for public release. Available on the Directives Division Website
at https://www.esd.whs.mil/DD/.
Incorporates and Cancels: DoD Instruction 8550.01, “DoD Internet Services and Internet-Based
Capabilities,” September 11, 2012
Deputy Secretary of Defense Memorandum, “Ensuring Quality of
Information Disseminated to the Public by the Department of Defense,”
February 10, 2003
Approved by: Dana S. Deasy, Department of Defense Chief Information Officer
Change 1 Approved by: John B. Sherman, Acting DoD Chief Information Officer
Purpose: In accordance with the authority in DoD Directive (DoDD) 5144.02, this issuance:
• Establishes policy, assigns responsibilities, and prescribes procedures for:
o Conducting, establishing, operating, and maintaining electronic messaging services (including,
but not limited to, e-mail) to collect, distribute, store, and otherwise process official DoD information,
both unclassified and classified, as applicable.
o Managing official DoD information on the DoD Information Network and other networks, i.e.,
online.
• Provides a compendium of policies and procedures critical to successful online information
management and electronic messaging.