IScribe is a mail client that is very small itself, quick in use and has a very intuitive interface. It is a free version of commercial mail client InScribe. IScribe doesn't need to be installed so we can take it with us wherever we go. It enables us to import mails and contacts from other mail programs, it has a address book, calendar, anti-spam, filters, templates. With usage of filters we can make it more functional continuously.