mailartery

This plugin will add the functionality of the newsletter subscription on your WordPress website. You can get the list of emails of your subscriber and also can export it into the CSV file.
Use this [mailartery_newsletter] shortcode on the WordPress page.

Mailartery

Use this plugin to get the newsletter subscriber list in your WordPress website.

Stefano Lissa

This simple and little plugin integrates the <a href="https://wordpress.org/plugins/popup-maker/" rel="ugc">Popup Maker</a> plugin with forms 
of <a href="https://wordpress.org/plugins/newsletter/" rel="ugc">Newsletter</a> plugin, usually generated via 
shortcodes. It follows the Popup Maker standard integration methods.
Note: this plugin should be considered as developed indipendently from Newsletter and Popup Maker. For support, contribution and so on 
use the support area provided by wordpress.org. Much appreciated.
<h4>Other Newsletter plugin integrations</h4>
<ul>
<li><a href="https://wordpress.org/plugins/newsletter-buddypress" rel="ugc">BuddyPress</a></li>
</ul>

Popup Maker Addon for Newsletter

Adds support to Popup Maker for Newsletter subscription forms

Mailartery vs Popup Maker Addon for Newsletter