Binary package “thunderbird” in ubuntu precise

Email, RSS and newsgroup client with integrated spam filter

 Thunderbird is a full-featured email, RSS and newsgroup client that makes
 emailing safer, faster and easier than ever before. It supports different mail
 accounts (POP, IMAP, Gmail), has a simple mail account setup wizard, one-
 click address book, tabbed interface, an integrated learning spam filter,
 advanced search and indexing capabilities, and offers easy organization
 of mails with tagging and virtual folders. It also features unrivalled