Over the last few hours Mastodon treasure @Teri_Kanefield has been the victim of very vulgar harassment on her server law-and-politics.online.
Mastodon lets users create their own instances, but you need to block bad instances.
Fortunately, Mastodon provides support for this:
New MastoAdmin Guide To Banning Servers >>> https://writer.oliphant.social/oliphant/new-mastoadmin-ban-list-fediblock
Oliphant.Social Mastodon Blocklists >>> https://writer.oliphant.social/oliphant/the-oliphant-social-blocklist
Other recommendations, specific instructions?