forum spamming prevention

Lately the amount of spam posts increased a lot. If you can't switch from phpBB to another forum software (Vanilla? XenForo?) at least improve your anti-spam shields:
- prevent first-time posters from posting links or images
- heck, don't let people post links or images in their first 5 posts, it's not that much of an issue...

A bunch of other ideas here: http://www.michel-kraemer.com/5-anti-sp ... for-phpbb3

Thanks!

Comments

  • Taking this one step further, I'd say the vast majority of users aren't actively linking to outside pages on a regular basis. Simply requiring moderator approval before posting links would all but eliminate all this spam. They could pretty easily see who are and who aren't real people when they receive the requests, and it would save having to delete a thousand threads every time a spambot hits.

    Additional ideas:
    Require a capcha when posting a new thread / require moderator approval
    Limit the number of threads a user can create within any given time frame to something like 5