I checked your list headers and all appear normal.  I then
tried a DISTRIBUTE MAIL DEBUG=YES via [log in to unmask]
and observed that they must be routing through another
LISTSERV distribute co-located site for most x-L subscribers

Node: LISTSERV.BROWN.EDU
Userid: LISTSERV
Site: Brown University, Providence, Rhode Island, USA
System: Ultrix 4.2
Machine: DECstation 5000/200

--  co-owner:   INFOSYS, TQM-L, CPARK-L, ERAPPA-L, JANITORS, LDBASE-L, et -L
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