A directory of email groups and discussion lists, including listserv, listproc, majordomo and mailbase lists. Also offers a directory of Newsgroups. The search facility makes this a quick way of finding lists on a particular subject. Mailbase The UK's major electronic mailing list service for research in higher education. A directory designed to list the Internet communication groups and services likely to be of interest to academics and professionals.
Some organisations now offer free subscription services.
If you send them your email address they will add you to their mailing lists, and send you updates, bulletins, email publications on a regular basis. It may be worth subscribing to services that are run by key individuals or organisations in your subject area. These services are usually publicised on Web pages, and you will spot them as you catalogue other resources. Many sites contain lists of links to other Internet resources. If you find a site that contains links to quality sites in your subject field it is worth bookmarking the site and checking it regularly for new links.