>   Other forms of redistribution are allowed only under a separate royalty-
>   free agreement permitting such redistribution subject to standard
>   commercial terms and conditions.  A copy of such agreement may be
>   obtained from Sendmail, Inc. at the above address.
>
>This is "encumbering" in the same way that the GPL is considered
>"encumbering" by NetBSD.  For a fuller explanation of why this is so, see:

thanks you.  that's an excellent answer.  :)

-- 
|-----< "CODE WARRIOR" >-----|
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