????Windows "rights management services" client

[Tom H]

On Fri, Jun 4, 2010 at 3:00 PM,  <accessys at smart.net> wrote:
>
> got an e-mail that needs this to open?????
>
> what the heck is this, and is it even possible to get Ubuntu to run it, or
> this another attempt by MS to lock down their system????

This is software to prevent anyone but the intended recipient (who has
to authenticate him-/herself) to open an email or a document.