The desktop environment ist not recognized correctly (I use unity desktop) I could solve this by modifiying xdg-email method detectDE()
1. sudo gedit /usr/bin/xdg-email 2. go to method detectDE() { 3. insert the follwing two lines before the if-statement DE=xfce return this might not work for you desktop manager. this has to be repeated in case the file is overwritten by apt-get -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1277884 Title: xdg-email does not attach file with thunderbird To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xdg-utils/+bug/1277884/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs