thunderbird: thunderbird (Mozilla Thunderbird mail application) thunderbird: thunderbird: Mozilla Thunderbird is a redesign of the Mozilla mail component thunderbird: written using the XUL user interface language. Thunderbird makes thunderbird: emailing safer, faster, and easier than ever before with the thunderbird: industry's best implementations of features such as intelligent spam thunderbird: filters, built-in RSS reader, quick search, and much more. thunderbird: thunderbird: Homepage: http://www.mozilla.org/projects/thunderbird/ thunderbird: thunderbird: