Safe Signup Form is a WordPress Plugin that will forward a form submission to an email address, while preventing most automated attacks.
Forces all users (except admins) to agree to your Terms and Conditions on first login and anytime you choose to make them accept new terms. Alternativ
This plugin integrates your wrdpress blog with Contactology Newsletter Service.
Add a Benchmark Email signup form to your sidebar. You can also manage lists, and edit and email your blogs to subscribers.
Allow multiple user accounts to be created from the same email address.
This is a simple and flexible plugin to handle signups with the form fields you define.
The Import Users to MailChimp allows you to quickly and easily import all existing users to mailchimp.
Logs the IP of the user when they register a new account. View the signup IP by going to the Users menu or by editing that user.
Emma Email Signup is a plugin to add an email signup form for your Emma account in your WordPress site.
Limit user registrations to domain names on a whitelist.
Simple create an event with guestlist and signup.
With this plugin registrations are only allowed if the user has an invitation code. This plugin is only for WordPress MU and is BuddyPress compatible.
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