SpamKiller can filter any number of e-mail accounts for you. It's designed to be as unobtrusive as possible, so most of the time you won't even remember that it's there. When it is running, an envelope icon is displayed in the system tray. This icon shows you what the program is doing, and if you have received any spam or ordinary e-mail. For instance, when one or more spams have been detected, a flashing red cross is displayed on top of the envelope. In addition, you can have the notification window pop up whenever you receive new mail. This shows detailed information about the new e-mail and how it has processed it. Can automatically run programs and play sounds, depending on the type of messages you receive. For example, it can automatically start your e-mail program when new mail arrives.