This plugin lets you easily to add a signup form for your MailChimp mailing list.
WangGuard - Wysija Newsletter Connector is a plugin for connect WangGuard plugin with Wysija Newsletter.
Easily add Constant Contact signup forms to your website (sidebar or content) and configure how they look.
Add a VerticalResponse signup form to your sidebar. Lots of configuration options. Now with custom colors and shortcode support!
Restrict the usernames that new users may use when registering for your site.
Embed a StreamSend sign up form to your website: users will sign up from your own website instead of from the StreamSend website.
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.
This Constant Contact wordpress plug-in adds a constant contact widget signup form to your website sidebar.
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.
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