Val Davis

RDS Newsletter is a straightforward email newsletter plugin that does not overcomplicate things.
Features: 
* Import subscribers via CSV or plain text (one email per line) 
* Paste raw HTML as your email content 
* Optional templates (Basic and Modern included) 
* Batch sending with configurable limits (default 500 per hour) 
* Subscriber groups for targeted sends 
* Double opt-in with confirmation emails 
* Open and click tracking with reports 
* Automatic unsubscribe links in every email 
* Bounce detection with auto-delete via IMAP 
* IP address and timestamp logging for compliance 
* Signup and unsubscribe shortcodes 
* Send test emails before sending to your list 
* Schedule newsletters for later 
* Duplicate newsletters 
* Export subscribers as CSV
<h3>Shortcodes</h3>
Signup form: 
 [rdsnl_signup]
Optional attributes: 
* <code>title="Subscribe to our newsletter"</code> 
* <code>button_text="Subscribe"</code> 
* <code>group="3"</code> (group ID to auto-assign)
Unsubscribe form: 
 [rdsnl_unsubscribe]

RDS Newsletter

A self-hosted email newsletter plugin for WordPress with subscriber management, batch sending, open and click tracking, and bounce processing.

Human Made

Maor Chasen

Miriam Schwab

Mad Mimi Email Marketing

Rebecca Markowitz

The Official Mad Mimi Signup Form plugin makes it easy to grow your subscribers! Use this plugin to integrate your sign up forms into your WordPress site.
Once the plugin is activated, you can select and insert any of your Mad Mimi webforms right into your site by using a widget, shortcode, or template tag. Setup is easy; in Settings, simply enter your account email address and API key (found in your <a href="http://help.madmimi.com/where-can-i-find-my-api-key/" rel="nofollow ugc">Mad Mimi account</a> area), and you’re all set.
Official Mad Mimi Forms plugin features:
<ul>
<li>Automatically add new forms for users to sign up to an email list of your choice</li>
<li>Insert unlimited signup forms using the widget, shortcode, or template tag</li>
<li>Use quick links to edit and preview your form in Mad Mimi</li>
</ul>

Mad Mimi Signup Forms

Add the Mad Mimi webform to your WordPress site! Easy to set up, the Mad Mimi plugin allows your site visitors to subscribe to your email lists.

RDS Newsletter vs Mad Mimi Signup Forms