Re:Universal asks Google to take down 127.0.0.1 for piracy
by Navarr on Friday July 24, 2015 @10:54AM
(#9942384)
It would probably work if you could get the poststamp over the content of the work.
But an envelope could be circumvented easily.. Mail yourself an unopen envelope, then put whatever you want inside it later and seal it?
Edit: here's a snopes article regarding "poor man's copyright" with a few links to sources/more information: http://www.snopes.com/legal/postmark.asp