The main blocklist which is helping to fight the current spam attack is maintained by @ErikUden. If you want to show appreciation, you can donate to them at https://mastodon.de/@MastodonDE/110808633497349326
For any server admins reading this who missed it, the blocklist itself is at https://github.com/Mastodon-DE/blocklists/blob/main/spam/2024-02-15/2024-02-15-spam-mute-list.md