Originally published at I Am Completely Serious. You can comment here or there.
WordPress doesn’t delete comments you mark as spam - they remain in the database to help train the spam catcher. If you accidentally mark a real comment as spam (or, perchance, a whole page of them), and you have access to phpMyAdmin, you can get it back pretty easily.
Standard disclaimers: This is for WordPress 2.5.1 - I don’t know if the database is organized in exactly this way in all previous versions, or whether they’re going to change it in later versions. Don’t do anything big with this without backing up your database, and don’t do it at all if the idea of messing around with MySQL by yourself scares you. I suspect there are plugins that’ll help you with comment recovery out there - go look for one if you’re worried you’ll mess something up. (But back up your database anyway. No, seriously. There’s a plugin for that.)
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