A (possibly) interesting side-note to the issue of company-confidential
indications that Nat brought up: both VPIM and MIXER use a
Sensitivity message header field, however, while MIXER provides
for a "Company-Confidential" value for the field body, VPIM
does not. Otherwise, the syntax and values appear identical.
So a message with
Sensitivity: Company-Confidential
might be a legal MIXER message or a VPIM message with illegal
content; and it's not easy to determine which...