Help and Support for CleanEmail
Clean Email is built on top of a proprietary rules engine which analyzes emails and groups them by a number of parameters. To make this engine fast and reliable Clean Email builds an "index" – a temporary database which contains certain information about emails in your mailbox.
Clean Email only indexes email sender, recipients, folders and labels, date and time received or sent, size, information about attachments (their number, type and size). Subjects are also indexed but only for the purpose of displaying preview. Actual contents of the subject are not analyzed.
Everything else. For example, Clean Email ignores email text (that's why we don't have any rules that are applied to the email body), ignores contents of attachments.
Index is built every time you log in to Clean Email if you haven't logged in within the last 24 hours. Once you log out (or simply close your browser) index will automatically be purged within the next 24 hours.