EverPress

<p>Verifies your subscribers email addresses. Read more on the <a href="https://kb.mailster.co/reduce-false-signups-with-email-verification/?utm_campaign=wporg&utm_source=Email+Verify+for+Mailster&utm_medium=readme" rel="nofollow ugc">Mailster Knowledge base</a></p>
<p>This plugin is no longer needed since Mailster 3.0!</p>
<h3>Additional Info</h3>
<blockquote>
<p>This Plugin requires <a href="https://mailster.co/?utm_campaign=wporg&utm_source=Email+Verify+for+Mailster&utm_medium=readme" rel="nofollow ugc">Mailster Newsletter Plugin for WordPress</a></p>
</blockquote>


Mailster Email Verify

The plugin will reject the email address if there is no such domain, but the SMTP ping to see whether the actual email address exists or not doesn't work.
Without this, it's not really useful.

MX checking works, SMTP doesn't

Verifies your subscribers email addresses. Read more on the Mailster Knowledge base

Xaver

Mailster Newsletter Plugin

<p>Verifies your subscribers email addresses with kickbox.com</p>
<blockquote>
<p>This Plugin requires <a href="https://mailster.co/?utm_campaign=wporg&utm_source=wordpress.org&utm_medium=readme&utm_term=Kickbox" rel="nofollow ugc">Mailster Newsletter Plugin for WordPress</a> and an account at <a href="https://kickbox.com" rel="nofollow ugc">Kickbox</a></p>
</blockquote>
<h3>Additional Info</h3>
<p>This Plugin requires <a href="https://mailster.co/?utm_campaign=wporg&utm_source=wordpress.org&utm_medium=readme&utm_term=Kickbox" rel="nofollow ugc">Mailster Newsletter Plugin for WordPress</a> and an account at <a href="https://kickbox.com" rel="nofollow ugc">Kickbox</a></p>


Mailster Kickbox

Verifies your subscribers email addresses with kickbox.com

Mailster Email Verify vs Mailster Kickbox