FossaMail is a mail, news and chat client for Microsoft Windows based on Mozilla Thunderbird. It is a re-build of Mozilla Thunderbird ESR (Extended Support Releases) that has been optimized and reconfigured by the same developer behind Pale Moon browser. Is built from source with the main goal of providing a fast and reliable Mozilla Thunderbird-based client that should work with all existing add-ons and plugins that were developed for Mozilla Thunderbird.
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