MC Login Code

This lightweight plugin is ideal for solo admins and for admin groups.
* Adds an authorization code field as the third field in your login form for better security.
* Access is denied when the login code field is invalid or empty.
* Users must know the login code to login to the website.
* When the code is updated or disabled, the website administator receives an email to confirm the code or disabling of the Login Code.
* To disable this feature, the admin can leave the login code field blank on the settings page.