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Free Plugin by Top Deliverability v1.8.0

Deliverability

Check and improve your Email Deliverability. Pass DMARC by DKIM-signing your emails without an external SMTP. Comply with Google & Yahoo requirements!

Deliverability

The facts

Rating
4.2★ from 15
Active installs
700+
Price
Free
Last updated
15 Sep 2025
Added
Aug 2022
Requires WP
5.9
Tested up to
WP 6.6.7
Requires PHP
7.4
Downloads
11,747

Our analysis

AI-assisted

The Deliverability plugin for WordPress helps you authenticate emails from your website using DKIM signatures. It also offers features for SPF and DMARC authentication, allowing you to monitor and troubleshoot these settings for improved email security and deliverability.

This plugin is suitable for WordPress users who want to ensure their emails are properly authenticated and delivered, especially if their domain has a DMARC record. It is designed to be user-friendly and is compatible with various popular plugins.

Best for: WordPress users looking to enhance email authentication and security.

What it does well

  • Authenticates emails with DKIM signatures
  • Checks and monitors SPF and DMARC settings
  • Reduces security risks in email setup
  • Compatible with popular plugins like Contact-Form 7 and WPForms

Where it falls short

  • Limited information on additional features
  • No details on specific troubleshooting capabilities

Verdict

The Deliverability plugin is a useful tool for improving email security and deliverability, particularly for those with DMARC records. It provides essential authentication checks in a straightforward manner.

From the developer

Top Deliverability's own description of Deliverability, lightly tidied.

Our Deliverability Plugin for WordPress allows you to easily authenticate emails generated from your website with a DKIM signature.

But our Deliverability Plugin does much more than that! In fact, it’s packed with incredible email security and email deliverability features such as:

  • SPF authentication check, monitor and troubleshoot
  • DKIM authentication implementation, check, monitor and troubleshoot
  • DMARC authentication check, monitor and troubleshoot

It’s always a good practice to authenticate your domain, but if your domain has a DMARC record and your website runs on WordPress you almost certainly need this plugin.

The Deliverability plugin will take your Email Deliverability to a whole new level.

This plugin is designed and written by experts and is easy to use and understand.

It reduces security risk by checking for shortcomings in your email setup, and by implementing and enforcing the latest recommended Email security practices and techniques.

Fully compatible with Contact-Form 7, WPForms, BuddyPress, WP Mail SMTP and more.

Read the full description on the official page →

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