@ErikUden sorry, I'm missing something: you clearly explain that defederation has negative impacts and that it's very probable that the problem is going to be solved within 24h, but nevertheless you start your message with an invitation to defederate? Could you motivate this combination?
@mapto No, I do not start with an invitation to defederate! I start with an invitation to mute. Any instance can set the status of any other instance - muting on Mastodon is like a soft defederation. Your users will not get any spam or any messages from this other server, however the people they're following remain as followers and the people who follow them too. So nothing is permanently broken like with a defederation, but you will still stop having spam.