Comment 2 for bug 1808236

Follow your steps and Unity Mail won't run at all. Si ran it in a terminal and the output is as follows:

Traceback (most recent call last):
  File "/usr/bin/unity-mail", line 22, in <module>
    UnityMail(len(sys.argv) == 2 and sys.argv[1] == 'debug')
  File "/usr/lib/python3/dist-packages/unitymail/application.py", line 477, in __init__
    self.initKeyring()
  File "/usr/lib/python3/dist-packages/unitymail/application.py", line 686, in initKeyring
    self.openDialog()
  File "/usr/lib/python3/dist-packages/unitymail/application.py", line 751, in openDialog
    self.dlgSettings = PreferencesDialog()
  File "/usr/lib/python3/dist-packages/unitymail/dialog.py", line 164, in __init__
    self.oNotebook.append_page(self.pageAccounts(), Gtk.Label(_('Accounts')))
  File "/usr/lib/python3/dist-packages/unitymail/dialog.py", line 330, in pageAccounts
    oMonitor = oDisplay.get_primary_monitor()
AttributeError: 'X11Display' object has no attribute 'get_primary_monitor'