Among the filters is a Bayes filter, which does require training. Currrently it is getting better and better, but does still catch some valid posts or comments.
We're now approaching another level of magnitude - the number of blocked spam is getting closer and closer to 1000 per day.
The spam has died down to a "normal" level again - only about 200 spam attempts per day.
The peak was almost 1500 attempts per day in February.
Unless otherwise noted, the rights for the individual plugins are with their respective authors. Logo image by Jakub Steiner.