Define better. Gmail does a pretty good job for most use cases but it's all about compromises. One person's spam is another's ham; so you will unavoidably end u

Define better. Gmail does a pretty good job for most use cases but it's all about compromises. One person's spam is another's ham; so you will unavoidably end up with false positives and/or false negatives. For some organisations you might want a system that you can fine tune those.