This plugin allows you to insert a checkbox at the end of your comment forms so your viewers can double optin to a Aweber list of your choosing.
Passwordless allows users to sign up and log in using only email addresses, removing the need for them to remember yet another password.
Plugin for enabling users to signup to your MPZMail user group
Ivaldi Mail Collector allows you to collect email addresses of users visiting your website using a widget.
Creates a public signup form where people can sign up for pot lucks, volunteer jobs, whatever.
Add To Post allows you to add additional content to either the start, end or both areas of your blog posts.
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.
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