If a person was served off by LISTSERV we would receive an email notifying us. It would say something like "[log in to unmask] has been served off after 50 unsuccessful commands". I forgot if that message went to the list owner, or just the LISTSERV Postmasters. > Sending too many incorrect commands (either explicitly by the user, or > implicitly by some errant mail process) to LISTSERV itself can cause > this. > > You as another LISTSERV user can try to issue the following > > SERVE userid@node > > If that returns service, then it was probably the above problem. If > not, the a LISTSERV admin explicitly had turned OFF service and you'll > need to contact that admin. > > /Pete