Changes

* Visit Answer user questions in [https://support.mozilla.org/questions/thunderbird Thunderbird support forum] to answer user questions. (support.mozilla.org aka SUMO is where users like you are supported by users like you.)* Visit If you answer user questions, join [[Thunderbird/tb-support-crew|support crew]].* Improve [https://support.mozilla.org/products/thunderbird/ the Knowledge Base (aka KB)] to help improve documentation , which users refer to for assistance.* Visit Help with [[Thunderbird:Testing|QA testing]] to help with quality assurance and testing]].* Visit Help other translators to [https://developer.mozilla.org/en/Thunderbird_Localization Localization] to help other translators to localize Thunderbird in your language].