Caretaker Antispam (64-bit)

From SurfRight: Caretaker Antispam (64-bit) combines a number of methods to distinguish spam messages from genuine messages. Each message receives a score by looking at certain features, for example the sender, contents, the make-up, etc. Based on this score, Caretaker Antispam (64-bit) decides if a message is to be delivered to your inbox or your spam folder. Caretaker Antispam works differently from other antispam filters. Most filters need to be "trained" by the user to learn what spam is and what is a genuine message. Spammers know this, and have a number of tricks to mislead the filters