Posted every week, this is a list mainly for conservators and includes lots of Q&A: consdistlist@cool.conservation-us.org
This list, sponsored by the AASLH covers issues for historic house museums: historichousemuseums@yahoogroups.com
This is one of the most active museum lists, dealing with a large range of museum issues for any sized museum: MUSEUM-L@HOME.EASE.LSOFT.COM
This list deals with exhibition preparation and installation, including lots of tips for packing artifacts: pacinlist@listserve.com
This list deals with pest problems, and you can send in pictures/descriptions of pests in your museum for help with identification: pestlist@museumpests.net
This group is primarily for museum educators: talk@museum-ed.org