Thunderbird is a full-featured email, RSS and newsgroup client that makes emailing safer, faster and easier than ever before. More information about Thunderbird is available.

These Release Notes cover what's new, download and installation instructions, known issues and end user support / feedback for the Thunderbird 1.0.5 release. Please read these notes and the bug filing instructions before reporting any bugs to Bugzilla.

We want to hear your feedback about Thunderbird. Please join us in the Mozilla Thunderbird Support forum, hosted by MozillaZine.