- AbstractSpamFilter
- Activator
- KnownSpammersFilter
- ListKnownSpammers
- MessageErrorFilterEnsureErrorChild
- MessageFilterSameLongBody
- MucMessageFilterEnsureToFullJid
- PresenceSubscribeFilter
- PresenceSubscribeFilter.Counter
- PresenceSubscribeOutgoingFilter
- PresenceSubscribeOutgoingFilter.Counter
- ResultsAwareSpamFilter
- SpamFilter
- SpamProcessor