If you don’t follow spam links, then it lets the spammer probe your spam filter, and try stuff until you follow links. A better approach is to follow all links

If you don’t follow spam links, then it lets the spammer probe your spam filter, and try stuff until you follow links. A better approach is to follow all links always (even to non-existent recipients) if you must play this game. That reminds me: I should make sure all my mail clients are still set to plain text rendering.