Best dkim plugins for WordPress
The most popular dkim plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Deliverability leads with 700+ active installs, ahead of Email Essentials (40+) and Mailsure (40+). All 14 plugins tagged “DKIM” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
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Top 10 dkim plugins
- 1.
DeliverabilityThe most installed dkim plugin, with 700+ active installs. Rated 4.2 from 15 reviews, last updated 1 year ago. Tested only up to WordPress 6.6.11.
- 2.
Email Essentials40+ active installs. No reviews yet, updated 1 week ago.
- 3.
Mailsure40+ active installs. Only 1 review so far, last updated 2 years ago. Tested only up to WordPress 6.5.14.
- 4.
InboxAuth30+ active installs. No reviews yet, updated 4 weeks ago.
- 5.
Does My Email Work10+ active installs. No reviews yet, updated 4 months ago.
- 6.
Meser10 Email Auth CheckFewer than 10 active installs. Only 1 review so far, updated 1 month ago.
- 7.
TrustBeacon Email Delivery AuditorFewer than 10 active installs. No reviews yet, updated 3 weeks ago.
- 8.
Email Health Check & Log for WooCommerceFewer than 10 active installs. Only 1 review so far, updated 1 week ago.
- 9.
InbxGuardFewer than 10 active installs. No reviews yet, updated 3 weeks ago.
- 10.
SFLWA Identity & Tenant Provisioner for Amazon SESFewer than 10 active installs. No reviews yet, updated 3 months ago.
All 14 plugins tagged “DKIM”
Deliverability
Down in the last 7 days:10#7,870by Top Deliverability1 year ago
Check and improve your Email Deliverability. Pass DMARC by DKIM-signing your emails without an external SMTP. Comply with Google & Yahoo requirements!
- Installs
- 700+
- Rating
- 4.2(15)
- Downloads
- 11/day
Email Essentials
Up in the last 7 days:59#21,439by Acato12 days ago
A plugin to make WordPress outgoing emails better and less likely to be marked as spam.
- Installs
- 40+
- Rating
- –
- Downloads
- 13/day
Mailsure
#21,749by corytrevor2 years ago
Test email sending, SPF, DKIM & DMARC
- Installs
- 40+
- Rating
- 5.0(1)
- Downloads
- 0/day
InboxAuth
Up in the last 7 days:1,542#24,067by WP Encryption1 month ago
Protect your domain's email against email spoofing. Discover who's sending as you, then generate SPF/DKIM/DMARC records to stop spoofing — s …
- Installs
- 30+
- Rating
- –
- Downloads
- 0/day
Does My Email Work
Up in the last 7 days:8#29,515by Valentin Bora4 months ago
Email deliverability test for WordPress. See if your emails reach the inbox or land in spam, and exactly what Gmail and Outlook receive.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Meser10 Email Auth Check
Up in the last 7 days:23,244#50,196by meser101 month ago
Checks the SPF, DKIM and DMARC records of your domain and explains in plain language what is missing and why it matters.
- Installs
- <10
- Rating
- 5.0(1)
- Downloads
- 2/day
TrustBeacon Email Delivery Auditor
#55,531by fiatlux577521 days ago
Find public DNS and authentication problems that can affect WordPress email delivery, including MX, SPF, DKIM, and DMARC.
- Installs
- <10
- Rating
- –
- Downloads
- 3/day
Email Health Check & Log for WooCommerce
Up in the last 7 days:12,119#59,063by Ahmed Saeed8 days ago
Email log, SPF/DKIM/DMARC checks and failure alerts. Find out why WooCommerce order emails go to spam or never arrive.
- Installs
- <10
- Rating
- 5.0(1)
- Downloads
- 6/day
InbxGuard
Down in the last 7 days:13,284#62,236by ezzymd22 days ago
Inspect email authentication and mail attempts with SPF, DKIM, DMARC diagnostics, privacy-conscious logs and WooCommerce support.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
SFLWA Identity & Tenant Provisioner for Amazon SES
Up in the last 7 days:9,592#62,885by sflwa3 months ago
Automate multi-tenant SES environment provisioning with isolated identity bindings, IAM credentials, DKIM CNAME output, and native status reporting.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
SignEmail SMTP & DNS Diagnostic
#71,073by smtpdkim6 months ago
Stop WordPress emails from going to spam. Send emails via SMTP and check SPF, DKIM, DMARC records to improve email deliverability.
- Installs
- <10
- Rating
- –
- Downloads
- 3/day
Tanichev Email Deliverability Tester
Up in the last 7 days:417#71,443by tanichev1 month ago
Find out if your site's emails reach the inbox or land in spam, and what to fix. Works with WooCommerce and any SMTP plugin.
- Installs
- <10
- Rating
- –
- Downloads
- 2/day
M Media Email Deliverability Inspector
Down in the last 7 days:10,217#72,887by mmediasoftwarelab5 months ago
Comprehensive email deliverability diagnostics tool - checks SPF, DKIM, DMARC, PTR, MX records, and SMTP configuration.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
Elevoire Email Delivery Doctor
Down in the last 7 days:9,437#73,020by Elevoire2 months ago
Diagnose WordPress email problems with DNS, SMTP, blacklist, header, logging, and sender-reputation checks.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day