V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
PRMD PRivate Management Domain (X.400, MHS)The Free On-line Dictionary of Computing (30 December 2018):
primary management domain PRMD(PRMD) The component of an X.400 electronic mail address that gives the organisation name, usually abbreviated to p= in written addresses. See also ADMD. (2003-05-15)