Users are able to register an account without a valid email address input

[alexlo510]

Summary

Users are able to register an account without a valid email address input.

Steps to reproduce

1. Click on the register button
2. create an account by typing anything into the email input.
3. The email input does not check the user input has an '@' sign or if the email exists.

Expected Result

The user should not be able to input any text into the email input. It should at least check for an '@' sign or if the email exists.