[Microsoft] product (line).  [[Explain.  Give references.]]
[[There are several distinct flavors--"IMO" just does some kinds
of e-mail ("Internet Mail Only"), "Corporate/Workgroup" 
gives ... 
with [CDO] ...]]






[MUA]






Outlook Express does ''not'' expose a [COM] interface,
but Outlook 2000 does (true?).
Even in the case of the former,
[http://support.microsoft.com/default.aspx?scid=kb;en-us;Q230225]
apparently offers a way to hack COM (also see 
vbaoutl.hlp on msdn.microsoft.com).