Link MailAlias to Logins instead of Users

src/users/admin.py

@@ -31,15 +31,15 @@ class MailAliasInLine(admin.StackedInline):
 
 class LoginAdmin(admin.ModelAdmin):
     list_display = ("login", "enabled")
-    inlines = (GroupInLine,)
+    inlines = (
+        GroupInLine,
+        MailAliasInLine,
+    )
 
 
 class UserAdmin(admin.ModelAdmin):
     list_display = ("name", "customer")
-    inlines = (
-        MailAliasInLine,
-        LicenseWithUserInLine,
-    )
+    inlines = (LicenseWithUserInLine,)
 
 
 admin.site.register(Group)

src/users/models/mailalias.py

@@ -1,10 +1,10 @@
 from django.db import models
-from users.models import User
+from users.models import Login
 
 
 class MailAlias(models.Model):
     email_address = models.EmailField()
-    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    login = models.ForeignKey(Login, on_delete=models.CASCADE)
 
     def __str__(self):
         return self.email_address