Claws Mail is a GTK+-based, lightweight, fast e-mail client and newsreader. It supports POP3, APOP, IMAP, SMTP, SMTP AUTH, NNTP, LDAP, multiple accounts, spell-checking, address book, SSL, GPG, filtering, i18n, and more, and you can extend it further by adding plugins.
Great -
Powerful but snappy. Highly recommended!
~ anonymous
on May 7, 2009