About an hour after I sent my first item about this I thought maybe it
came from someone reading the list via a gateway (such as
bit.listerv.autocat).  Is that a possibility?  If so, is there a way we
can allow folk to read from the gateway but not to post, short of full
moderation?  Put something in the Filter= field?
 
Someone suggested setting the header to FULL might show enough info to
guess who the real sender was (not anything that will help now, but maybe
of aid in the future).  I don't want to do that for the entire list, but I
did change my personal sub to that.  What goes into the Approved-by:
field?  Our subscribers are self-editors, everything else comes through
me.  So, if the From: says one thing and Sender: or a resent field says
something else, would it show up in the Approved-by: field?  For example,
someone forges an item with From: [log in to unmask] and
Sender:[log in to unmask] .  Would [log in to unmask] show in the Approved-by:
field ?
 
        Douglas Winship    Austin, Texas    [log in to unmask]
                    Secondary AUTOCAT Listowner