Users occasionally forget their usernames. Most people can remember their email address. Why must users login with their username when an email address absolutely unique? Keep your users coming back with hassle free authentication.
By enabling both this plugin and the Authentication - Joomla! plugin, a user can login using EITHER their username or their email address. Additionally, lost-password requests can accept an email address as well as a username.
By enabling this plugin while the Authentication - Joomla! plugin is disabled, a user can login using ONLY their email address (plus password, of course)
ATTENTION: This plugin does not alter the wording of your login page or your login module. You must implement a simple output override to accomplish the login module label in my attached screenshot. The constants to override are: