Ubuntu
akonadi package

  1. Bug #1873087
  2. Comment #10

Comment 10 for bug 1873087

Revision history for this message
Ernst Kloppenburg (ernst-kloppenburg) wrote :

I experienced this problem, "Failed to open required defaults file: ..."
after upgrade from 18.04 to 20.04.

For me it helped to remove akonadi and all of its dependencies
    apt-get --purge autoremove akonadi-server

and then
    apt-get install kmail
etc.