"Attention: Starting December 14, 2019 Yahoo Groups will no longer host user created content on its sites." "All public groups will be made private or restricted." https://help.yahoo.com/kb/groups/SLN31010.html Verizon is zero featuring and privating all of Yahoo's public mailing lists. https://groups.yahoo.com/ https://www.archiveteam.org/index.php?title=Yahoo!_Groups As before, you can search for and scrape lists of interest yourself. Or post a link to the specific lists and people will scrape them.