MailBox Sentry 2.1 Free download

Smart antispam. It can detect and always get replays, true delivery errors, messages from visited sites. It has two modes. With this tool you can remotely look through your mail accounts and delete messages directly on a server without downloading them. And you may use smart challenge/response system (only one challenge for each sender, list detection and etc.) It has "white" and "black" lists, rules and etc. Up to 10 mailboxes.