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What does SMG stand for?

SMG stands for Secure Mail Guard

This definition appears rarely and is found in the following Acronym Finder categories:

  • Information technology (IT) and computers

See other definitions of SMG

Other Resources:
We have 183 other meanings of SMG in our Acronym Attic

Samples in periodicals archive:

An example of the mail guards used in Operation Blinding Storm were: (1) Secure mail guard at COMUSNAVEUR connecting the SIPRNET and the classified United Kingdom national network Combat Support Systems (CSS); (2) Pacific Region Network Operations Center connecting SIPRNET with the Combined Enterprise Regional Information Exchange System (CENTRIXS) Four-Eyes (United Kingdom, United States, Canada and Australia); and (3) Global Reach Interactive Fully Functional Information Network (GRIFFIN) connecting SIPRNET to several other nations' national classified systems.