Zack Katz

<blockquote>
<p><strong>This plugin requires a <a href="http://wordpress.constantcontact.com" title="Sign up for a free Constant Contact trial" rel="nofollow ugc">Constant Contact account</a>.</strong> <br /><em>Don’t have an account?</em> Constant Contact offers a <a href="https://wordpress.constantcontact.com/email-marketing/signup.jsp" rel="nofollow ugc">free 60 day trial</a>, so sign up and give this plugin a whirl!</p>
</blockquote>
<p>Automatically add contact form submissions to Constant Contact lists that you choose.</p>
<h3>Get linked with Constant Contact in 60 seconds!</h3>
<p>This plugin is very easy to get set up. The instructions are simple:</p>
<ol>
<li>Activate the plugin through the ‘Plugins’ menu in WordPress</li>
<li>Go to Contact > Constant Contact menu in the WordPress sidebar</li>
<li>Enter your Constant Contact login information</li>
<li>Configure the Constant Contact section on the Contact Form 7 “Edit” form page</li>
</ol>
<p>…and you’re done!</p>
<h3>Have multiple forms?</h3>
<p>You can configure integrations on a per-form basis. Different Contact Form 7 forms can add users to different Constant Contact lists.</p>
<h4>Features</h4>
<ul>
<li>Add contacts to multiple lists at once</li>
<li>Sync form fields to Constant Contact fields, including your Custom Fields</li>
<li>Add a newsletter opt-in checkbox to your form (see <a href="https://wordpress.org/extend/plugins/contact-form-7-newsletter/faq/" rel="ugc">plugin FAQs</a> to learn how)</li>
</ul>
<h4>This plugin requires Contact Form 7 4.3 or newer</h4>


Contact Form 7 Newsletter

Easily integrate email marketing with the Contact Form 7 plugin. When users contact you, they get added to your newsletter!

ethanpil

<p>A WordPress plugin that allows visitors to subscribe to Dreamhost announce lists via a widget, as well as view and manage the lists in the WordPress admin panel. Additionally the WP Admin can send HTML emails to the lists using the current<br />
Wordpress template.</p>
<p>Think of it as a poor man’s version of the Constant Contact service! All due to the Dreamhost API.</p>


WP-DreamLists

Subscribe to Dreamhost announce lists via widget, view & manage lists in the admin and send HTML emails to the list. A poor mans Constant Contact!

Contact Form 7 Newsletter vs WP-DreamLists