Following up a post on Sun, 15 Mar 2015, from Tommi Koivula to Kai Richter:

 TK> I'm still learning the differences between GEcho and HPT. :) GEcho 
 TK> can unpack secure and insecure arcmail and then decide what to do.

there's another one of those common tossers that perform this... i
hesitated to name it before because i wasn't sure how far along it had
gotten before it was abandoned by its author... there are others, too...
many of those considered antiques from the DOS/OS2/W9x days...

)\/(ark