That exists in quite a few forum scripts. XenForo has a one click spam cleaner, which deletes all of a member's posts and topics, bans the account, checks their

That exists in quite a few forum scripts. XenForo has a one click spam cleaner, which deletes all of a member's posts and topics, bans the account, checks their IP and mails them a message you type in about the ban (if you want to send one). Quite a few others have similar solutions, sometimes as add ons.