I can recommend to use this anti spam solution as it can be run on a server as well as local solution. for me it deleted around 80% of the spam that gets in my inbox before i even POP them. The project may need maybe some new fresh developers and coders to update a few things make it more efficient. Also build in a kind of filter like POPFile provides may be nice. But this maybe will be counter productive to the minimal resource usage it has now.