Merged in [16106] from rjsparks@nostrum.com:

Don't allow users to edit the 'active' value for unknown-email-* addresses. Related to #2696.
 - Legacy-Id: 16120
Note: SVN reference [16106] has been migrated to Git commit 6a2cf42e5c

ietf/ietfauth/views.py

@@ -200,7 +200,7 @@ def profile(request):
     person = request.user.person
 
     roles = Role.objects.filter(person=person, group__state='active').order_by('name__name', 'group__name')
-    emails = Email.objects.filter(person=person).order_by('-active','-time')
+    emails = Email.objects.filter(person=person).exclude(address__startswith='unknown-email-').order_by('-active','-time')
     new_email_forms = []
 
     if request.method == 'POST':