Mozilla.org today released Mozilla Thunderbird 1.0, a standalone e-mail client built with the XUL user interface language. Some of the features offered in version 1.0 include: adaptive junk mail controls, RSS Integration, saved search folders, global inbox support, message grouping, privacy protection, comprehensive mail migration from other clients, and more. Thunderbird 1.0 is free and requires Mac OS X 10.1 or later.