tesladethray

Allows users to sign up without needing to enter an email address

Users Without Email

Allows users to sign up without needing to enter an email address

Gnanasekaran Loganathan

Activation mail sent to the new user email once a user registered. The user must activate the account by click activation link in addition to a username and password to log in successfully the first time.
This plugin does not currently work with multi-site. Multi-site uses an activation key system for new registrations already.

User Activation By Email

Require users to click the activation link to access the site which is emailed upon user registration.

Users Without Email vs User Activation By Email