EverPress

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>
This plugin is no longer needed since Mailster 3.0!
<h3>Additional Info</h3>
<blockquote>
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>
</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

Fe Perrella

The Integrate Elementor Form With Mailster is a powerful, no-code integration solution for connecting Elementor Pro Forms directly with Mailster Newsletter lists.
Key Features: 
* Dynamic List Management – Users can subscribe/unsubscribe from multiple lists in a single form submission 
* Smart Subscriber Detection – Automatically detects existing subscribers and shows their current subscriptions 
* Intelligent List Processing – Combines admin-selected defaults with user preferences seamlessly 
* Custom Field Mapping – Map any Elementor form field to Mailster custom fields 
* GDPR Compliance – Built-in timestamp tracking for consent management 
* Double Opt-in Support – Full control over confirmation requirements 
* Overwrite Protection – Choose whether to update existing subscriber data 
* Real-time Preview – See exactly what users will experience in the Elementor editor 
* Multi-language Support – Includes Portuguese (pt_BR) translations
Advanced Capabilities: 
* Existing subscribers can manage their list subscriptions directly from your forms 
* Visual indicators show current subscription status with “Current” badges 
* Automatic form reset after successful submissions for better UX 
* Comprehensive error handling and debugging features 
* Backward compatible with all existing forms

Integrate Elementor Form With Mailster

Easiest way to integrate Elementor Pro Forms with Mailster Newsletter. Includes: custom fields selection, Mailster list selections, double opt-in, upd …

Mailster Email Verify vs Integrate Elementor Form With Mailster