[Mimedefang] OT: Sendmail "Active-Directory"-type question

[Kevin A. McGrail]

The adexport script tie-in with sendmail/mimedefang has been working so
well, I was wondering if anyone knew of something similar for sendmail when
it is the end-destination for email?

In short, on a working sendmail server, is there any easy way to simply get
a list of all the valid possible local email addresses from a command line
as a privileged user?  Has anyone written anything that can parse this?  I
would assume a parser could be written to check the local-host-names, the
passwd file and the virtusertable and figure out a pretty good list for
"most" installations but I would feel silly if you just enter something like
sendmail -qwerty and out pops the list ;-)

Regards,
KAM