Denise over at Dreamwidth had this to say in https://dw-maintenance.dreamwidth.org/ about the current problems:
"The crossposting problem isn't us! People who are having the issue will need to contact LiveJournal and let them know they're blocking legit use."
And here's where you go to do just that: https://www.livejournal.com/support/submit
Happy New Year, everyone. 🍀