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 URL:mailto:[log in to unmask] "Are you a bandwidth bandit?"