<p>So apparently this line was in the RD decision email
“We know this is disappointing news to receive; for that reason, and to be environmentally conscious, you will not be sent a paper copy of this letter by mail unless you instruct us otherwise. If you wish to request a copy of this letter by mail, you may do so here.”
lol…Dean Shaw’s attempt to make up for the single page mailing labels I suppose. 
The bottom line is, you already found out early, and if you treasure a piece of rejection letter so much you can STILL request it.</p>