wordpress login without password just email address (NO 2 factor authentication with email)
You might be able to make your own login form that bypasses the wp_login() function. This page https://codex.wordpress.org/Customizing_the_Login_Form , in the “Make a Custom Login” section, might get you started. There are no hooks that I see in the https://core.trac.wordpress.org/browser/tags/4.8/src/wp-login.php code that you can use to bypass the password field. So creating your own login … Read more