During the birthday week we reached over 150k peers and while our server is quite capable of handling that many peers, it is a whole other thing if quite a few of those peers announce every 10 minutes, as rTorrent 0.9.2 peers do.

That version of rTorrent does not respect the min_announce_interval setting and will therefore be blacklisted on Sunday, May 5. Please update to 0.9.3, or ask your seedbox provider to update for you.