Strict Email Login
Allow only the user to login only with email, a Open Source Social Network component. It is a modified component by lianglee (structural, ossn com.php file) but the actions code are a modified OSSN v7.0. The ossn_com.xml was based on the information on OSSN's website.

Alternative Download Link:
https://github.com/thedoggybrad/StrictEmailLogin/releases/download/1.1/StrictEmailLogin.zip

Info About the Component
Name: Strict Email Login
ID: StrictEmailLogin
Author: TheDoggyBrad / Arsalan Shah (lianglee)
Description: Allow only the user to login only with email, a Open Source Social Network component
License: OSSN v4 License
Author URL: https://github.com/thedoggybrad/StrictEmailLogin
License URL: https://www.opensource-socialnetwork.org/licence/v4.0.html
Component Version: 1.1 (Latest) and 1.0 (Older)
Requires: Version 5.6 (The earliest verified version that uses the same login system by me)
Tested up to: Version 7.0
A fork of: https://github.com/lianglee/EmailLogin (Discontinued, applied to OSSN Core)

This is really tested and developed for OSSN version 7.0 and not an experimental/alpha/beta component

Note on the OSSN version requirement:
It is possible to install this and make it work on older versions of OSSN, but I cannot gurantee that will work on those versions as I have not reviewed the code of those versions. If you are brave to try on older versions of OSSN, feel free to change the ossn_com.xml file's requirement lower to meet your needs.