I need to delete the following username from my mailing list: However, when I send a mail message to listserv, it comes back with the error: > delete fibrom-l [log in to unmask] Invalid option - "[log in to unmask]". The valid options are GLobal, LOCal and TEST (minimum abbreviations shown in upper case). I'm not on the bitnet so I can't edit the file directly. Any suggestions? Thanks.