im positive this can only be done with a plug in

posting w/o being a member

spam block on ip

[@spencerp Member 18 years ago]

https://bbpress.org/forums/topic/417?replies=4#post-2265

spencerp

[@bbpressfriend Member 18 years ago]

the guest posts should be automatically marked as deleted for moderation (if spam = no action, if no spam = undelete) same for new guest topics