efaq: Newsgroup archives

 
 2.4 Where can I get old postings to <news:gnu.emacs.help> and other GNU groups?
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 The FSF has maintained archives of all of the GNU mailing lists for many
 years, although there may be some unintentional gaps in coverage.  The
 archive can be browsed over the web at the GNU mail archive
 (http://lists.gnu.org/archive/html/).  Raw files can be downloaded from
 <ftp://lists.gnu.org/>.
 
    Web-based Usenet search services, such as Google
 (http://groups.google.com/groups/dir?q=gnu&), also archive the ‘gnu.*’
 groups.
 
    You can also read the archives of the ‘gnu.*’ groups and post new
 messages at Gmane (http://gmane.org/).  Gmane is a service that presents
 mailing lists as newsgroups (even those without a traditional
 mail-to-news gateway).