Q: F*EX is great! Can I join the developing team? What needs to be done?
A: Contact the author <framstag@rus.uni-stuttgart.de>

   Requested features are:
   <ul>
     <li>testers for MacOS, AIX and other UNIXes
     <li>a new maintainer for the Java client F*IX
     <li>an Android or iOS client
     <li>a F*EX plugin for thunderbird or outlook
         see thunderbird's filelink
         https://support.mozillamessaging.com/en-US/kb/filelink-large-attachments
         https://developer.mozilla.org/en/Thunderbird/Filelink_Providers
     <li>more (other) languange support (japanese, bavarian, klingon ...) 
   </ul>

Q: Can I donate something for F*EX?
A: If you have a pet animal, fex a cute video of it to the author <framstag@rus.uni-stuttgart.de>