If you need a secure method of sorting your inbox, SaneBox is the perfect solution. It doesn’t read email content, just shunts them through your server with a selection process based on the email header. They will need your email password, but keep it very safe and very encrypted. SaneBox learns from your behaviour; if, at first, it places an email in the wrong folder and you move it, it will remember what you did and copy this action. It works with any email service and any device so can travel with you. There is no free subscription; however, less than €6 a month much for pure peace of mind.