Webroot Spam Shredder automatically filters and quarantines spam and junk mail from your incoming email, before it reaches your Inbox. The program runs as a local POP server and auto-configures Outlook, Outlook Express and Eudora email accounts to filter all incoming messages. Spam Shredder works right away and does not require any manual filter set up. New filter settings can be downloaded automatically to keep up with the latest spammer tactics. In addition, you can maintain a Whitelist and Blacklist to identify email that should be immediately delivered or instantly deleted. The program offers 4 level of spam sensitivity, ranging from minimal to extreme. The quarantine messages are not deleted but initially kept in a quarantine location, from where you can review them , and restore selected messages if necessary.