Geraldo Xexeo <GXEXEO@CERNVM> writes ... > > By the way, which problems can make a list to repeat one mail >twice to all its users? (This is a common question?) There are probably lots of reasons, but I had one a few months ago. A subscriber happened to be on an MVS system (IRISHMVS.BITNET). That system delivered the mail and returned a copy to the list in such a way that it looked like a new posting to LISTSERV. The problem at that site was rectified once recognized.