This is what matrix is working on (except greylists, not block/allow lists), and so would automatically apply to cactus.chat. https://matrix.org/blog/2020/10/19

This is what matrix is working on (except greylists, not block/allow lists), and so would automatically apply to cactus.chat. https://matrix.org/blog/2020/10/19/combating-abuse-in-matrix-without-backdoors https://matrix.org/blog/2020/10/19/combating-abuse-in-matrix...