FOR PUBLIC ELEMENTARY AND SECONDARY SCHOOL HEADS/OFFICERS IN-CHARGE: REITERATION OF THE GUIDELINES ON THE USE OF DEPED EMAIL SERVICE Posted on March 3, 2020 by DepEd Mandaluyong Leave a comment 20-03-07. REITERATION OF THE GUIDELINES ON THE USE OF DEPED EMAIL SERVICE tagged with Information Technology, Policy, Rules and Regulations Memorandum Unnumbered