Message filter does nothing

[stemy2]

RainLoop version:
1.5.2
Expected behavior and actual behavior:
I set a filter to delete directly a spammer who doesn't stop to harass me. But i still receive his message as if the filter didn't exists.
Steps to reproduce the problem:

1. Set the filter
2. Filter doesn't work
   Logs or screenshots:
   
   
   I received the mail after the filter had been set.