by Spacejock Software yMail can be used as a spam cleaner for your existing email setup, and also as a standalone email client. Free software from the author of the Hal Spacejock series.
by Leithauser Research Deletes email unless it comes from someone on your list or contains a password. Can reply telling the sender their email was deleted, and give them the password. Spam programs ignore these replies, but real people can resend email with the password.
