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