Icedove is Thunderbird, rebranded by Debian project. It is a mail/news client with RSS and integrated spam filter support and supports different mail accounts (POP, IMAP), has an integrated learning Spam filter, and offers easy organization of mails with tagging and virtual folders. Also, more features can be added by installing extensions.

The goal of Icedove is to produce a cross platform standalone mail application using the XUL user interface language.

Rebranding Info