You can add Do-Not-Reply@gov.nt.ca to your Safe Sender's list in Outlook, which will ensure these emails are directed towards your inbox.
1.On the Home tab, in the Delete group, click Junk, and then click Junk E-mail Options.
2.On the Safe Senders tab, click 'Add', and enter the email in (ensure hyphens are included).
Click OK to save your changes.