[leafnode-list] Preventing crossposting to a local group?

[Lloyd Zusman <ljz@xxxxxxxxxx>]

I'm using leafnode-2.0.0-*, and I want to set up a local group that will
reject all articles that are crosspost attempts.  In other words, if
anyone tries to post to this local group with more than one newsgroup
named in the "Newsgroups:" line, I want leafnode to reject the post.

I only want this to occur for this one local group; posts to all other
groups, be they local or remote, should succeed whether or not
crossposting is taking place.

Can I do this via filter rules?  If so, how.

Or do I need to patch the source code in some way? (I'm willing to do
that, if necessary)

Thanks in advance.


-- 
 Lloyd Zusman
 ljz@xxxxxxxxxx
 God bless you.
-- 
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