- Plesk Onyx for Linux
Emails cannot be deleted in RoundCube: they are marked for deletion instead of being actually removed.
How to remove these emails to trash?
The option Flag the message for deletion instead of delete is enabled in RoundCube setting.
To disable this option:
In RoundCube go to Settings > Preferences > Server Settings.
Uncheck Flag the message for deletion instead of delete.
Save the changes.