Another GDPR requirement is that when signing up for something, the publisher needs to verify that the email given is genuine and belongs to the user. WordPress offers several plugins; there are other ways, here are my notes …
Links
- New User Approve, wordpress, augmented by Cimy User Extra Fields
- https://code.tutsplus.com/tutorials/how-to-implement-email-verification-for-new-members–net-3824
- A bunch of wordpress plugins.