Update Thanks Tigerz of Betas.intercom for letting us know that Mozilla 1.3B is released (on 31st Dec) but this has yet to be announced on the official Mozilla website. The official release is still the 1.3A (or Alpha) we think the B means 1.3 is now at Beta, no longer Alpha. Significant! for Mozilla fans I imagine.
Mozilla is an open-source web browser and toolkit, designed for standards compliance, performance and portability. Mozilla.org provides binaries for testing and feedback. For more about mozilla.org read Mozilla at a Glance.
Mozilla Mail now has basic junk mail classification capabilities. This means you can train your client to distinguish between good mail and junk mail. See the release notes for more info.
or if you dont like messing with Alpha/Betas get the final Mozilla release of 1.2 (at 1.2.1)