Application Vault- UebiMiau

UebiMiau is a simple, yet efficient cross-plataform POP3/IMAP mail reader written in PHP. Its has many features, such as: Folders, View and Send Attachments, Preferences, Search, Quota Limit, etc. UebiMiau does not require database or extra PHP modules (--with-imap).

Source: http://www.uebimiau.org/