>and where are all these newly-added set parameters documented? >----------------------------Original message---------------------------- >I have tried a variety of commands/formats to eliminate the >"dual" header I mistakenly thought I wanted. What is the >proper format for the command? From the LISTSERV Reference Card: Options for mail headers of incoming postings (choose one): FULLhdr or FULLBsmtp -> "Full" mail headers IETFhdr -> Internet-style headers SHORThdr or SHORTBsmtp -> Short (default) headers DUALhdr -> Dual headers, useful with PC or Mac mail programs Sooo SET listname SHORT or something else beside DUALHDR (which is mutually exclusive).