We continue evaluating several alternatives to provide full email customization. We are actively working on an alternative.
Unfortunately we do no yet have an ETA.
We have created samples to do this in custom policies here:
While we realize this is only works for custom policies (the part where you can track versions of consent), we currently don’t have plans to implement this in built in policies.J commented
We need to get our users to agree to the usage of their details when they sign up. This is for compliance with the General Data Protection Regulations that come into force in the EU in May 2018.
This would have to apply to signing up with social accounts as well as signing up with a local account.