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Deliverability – pass DKIM, SPF, DMARC & more icon

Deliverability – pass DKIM, SPF, DMARC & more

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

By Top Deliverability·SPF·Free
4.2(15 reviews)
·800 active installs·Updated 6 months ago
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As of April 2026, Deliverability is a WordPress SPF plugin with 800 active installations and a 4.2/5 rating from 15 reviews. It has been downloaded 11K+ times in total. Requires WordPress 5.9+ and PHP 7.4+. Available on WordPress.org since 2022. Top alternative: Simple Picture Fancybox.

4.2/515 reviews
800active installs
11K+total downloads
4 yearssince 2022

Overview

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 underst…

Read full description on WordPress.org

Ratings & Reviews

4.215 reviews
5 ★
12
4 ★
0
3 ★
0
2 ★
0
1 ★
3

Compatibility

WordPress5.9+ requiredTested up to 6.6.5
PHP7.4+ required

Top Alternatives to Deliverability – pass DKIM, SPF, DMARC…

Simple Picture Fancybox icon
Simple Picture Fancybox
00 installsUpdated 1 week ago
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DMARCREPORT Domain Auth Checker icon
DMARCREPORT Domain Auth Checker
00 installsUpdated 1 month ago
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View all SPF plugins →

Frequently Asked Questions

Changelog

1.8.0 – 2025-09-15

Added

  • WordPress 6.8 compatibility
View full changelog on WordPress.org

Contributors

Nicola VoT SelenuNicola VoT SelenuAntonino PiazzaAntonino PiazzaStefano VaresiStefano Varesi
Plugin Info
Version
1.8.0
Last Updated
Sep 15, 2025
WP Requires
5.9+
Tested Up To
6.6.5
PHP Requires
7.4+
Active Installs
800
Downloads
11K+
Added
Aug 22, 2022
Business
Free

Tags

spfdkimdmarcemaildeliverability

Developer

T
Top Deliverability
1 plugins0.0M+ total installs
View all plugins →

Quick Compare

Deliverability – pass DKIM, SPF, DMARC… vs Simple Picture Fancybox→Deliverability – pass DKIM, SPF, DMARC… vs DMARCREPORT Domain Auth Checker→

Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.