Originally Posted by Zyber

Sounds like a good idea.

Could also have some kind of content filter, which automatically bans, or mutes, a user account if the first X number of posts contain trigger words such as Heater Dxxx.

Or it could count string similarity to already banned content. For example using PHP's similar_text() function or calculcate the levenshtein distance etc.

Currently Donny alters all his posts, by increasing a number, thus creating a completely different MD5 hash for each post. Using similar_text() or levenshtein() would easily catch the same message - even when a number is being incremented each time.

It should be quite easy to make such a cleanup cronjob - to counter Donny's spam cronjob.