wp.insider

affmngr

This addon allows you to specify a MailPoet Newsletter list name in the addon settings.
When affiliates join your site, they get signed up to the specified MailPoet Newsletter list automatically.
This addon requires the <a href="https://wordpress.org/plugins/affiliates-manager/" rel="ugc">Affiliates Manager Plugin</a>.
After you install this addon, go to the MailPoet Newsletter settings interface and specify your MailPoet Newsletter list ID and save the settings.
Read the following page for step by step usage documentation: 
https://wpaffiliatemanager.com/sign-affiliates-to-mailpoet-list/

Affiliates Manager MailPoet Integration

An addon for the Affiliates Manager plugin to signup the affiliates to your MailPoet Newsletter list

Jean

This extension integrates Ninja Forms with MailPoet by providing an option to add users who submit a form to an existing newsletter. Great for signing up people to auto responders.
<h4>Features</h4>
<ul>
<li>Sign up for any MailPoet newsletter list with any Ninja Forms form submission.</li>
</ul>

Ninja Forms – MailPoet

This extension integrates Ninja Forms with MailPoet by providing an option to add users who submit a form to an existing newsletter.

Affiliates Manager MailPoet Integration vs Ninja Forms – MailPoet