A bit of searching seems to indicate that it depended on each Echomail conference (== newsgroup); they had flags, and one possible flag was "real names" (== man

A bit of searching seems to indicate that it depended on each Echomail conference (== newsgroup); they had flags, and one possible flag was "real names" (== mandatory real name). Most of the echomails seem to bear it. (I could not find the document describing those flags, but they appear in echolists.)