The above file, available from LISTSERV@bitnic (bitnic.educom.edu)
and ftp bitnic.educom.edu (cd listserv.200) lists a bunch (~1.3k lines)
of E-mail-enabled services, including of course LISTSERVs.
 
Unfortunately, it is not current, but may still prove to be instructive.
 
/Pete ([log in to unmask])
--
Peter M. Weiss                     |              oas.psu.edu postmaster
31 Shields Bldg -- Penn State Univ.| "He was a couple of diskettes short
University Park, PA USA 16802-1202 |     of a complete hard disk backup"