Delete member’s last threads will display a page where you can select messages to be deleted.
Delete member’s last messages will allow you to delete this member’s messages that are the last ones to have been posted in threads. This feature is quite useful in case a spammer should reply to all topics.
Delete threads without posts will allow you to delete topics created by this member that h ave not received any reply.
Each of those three actions will be performed once you have clicked on Validate at the bottom of the page.
