Back in 2014, Mozilla Corporation decided to stop working on Thunderbird and hand it off to the 
community. However, even though they are not updating this client anymore, Mozilla Foundation 
still supports it.
  Privacy Policy |
  
Impressum (Legal Info) |
  
Copyright information: Unless otherwise specified, all text and images
  on this website are licensed under the
  
Creative Commons Attribution-Share Alike 3.0 License.
  This does not include the source code of LibreOffice, which is
  licensed under the Mozilla Public License (
MPLv2).
  "LibreOffice" and "The Document Foundation" are
  registered trademarks of their corresponding registered owners or are
  in actual use as trademarks in one or more countries. Their respective
  logos and icons are also subject to international copyright laws. Use
  thereof is explained in our 
trademark policy.