Some nits:I would like to clean up the charter of the S/MIME WG before passing the working group off to a new chair. Attached is my proposed update. Please let me know if you have any concerns with this proposal.
S/MIME version 3 and later, CMS is used to provide security to the message content if an Internet mail message.
I suspect it's just missing a leading "In". Similarly
I think this means "The working group members will..."Perform necessary interoperability testing to progress the S/MIME specifications to Draft Standard.