Thanks for the follow up.  Didn't get a chance to try out this solution. Issue was solved by an Admin going in and updating notification settings for each individual on the Team distro.  

Thanks for the response. Not sure it would be a domain issue, because we do get notifications. However, we only get them when individuals are listed, not the Alias.  I can see that the Alias comes up as a 'Team' in Workfront.  Based on your note, I think I need to investigate whether the alias can b...

When using an email alias for updates, team members on the alias are not receiving notifications to their outlook inbox. How does one ensure that members of an email alias receive update notification?