[[PageOutline]] = Adding an Email-based authentication model = ContribAuthImprovements described and implemented a set of changes to allow for pluggable User models in contrib.auth. One of the primary motivators behind this change was to make it easy to implement email-based authentication. To make this even easier, #20824 describes an enhancement for Django to ship with a ready-to-use Email-based login model. Some django-developer discussions that cover this topic: * https://groups.google.com/d/msg/django-developers/rb7v9kVAK3I/1yQYQPN-IcsJ A number of solutions have been proposed. Here is a summary of the most viable candidates: == Option 1: Something == Build a thing. === Advantages === * Something === Problems === * Something == Final decision == To be determined.