Is there a way to allow customers to click the "View Request" link in a reply to their issue and have it show the issue history without requiring a login? It is pretty awkward to allow anonymous users to create incidents but then they can not see the entire history in one place unless they create a login. The email already has a unique token, it seems like there would be no technical barrier to this.
Optimally, customers would not be able to create logins, but I know this feature is not available yet.