Bug#164164: ITP: librmail-ruby - lightweight mail library for Ruby
From README file:
This is RubyMail, a lightweight mail library containing various
utility classes and modules that allow Ruby scripts to parse,
modify, and generate MIME mail messages.
Copyright (C) 2001, 2002 Matt Armstrong. All rights reserved.
Permission is granted for use, copying, modification,
distribution, and distribution of modified versions of this work
as long as the above copyright notice is included.