MailerSend – Official SMTP Integration

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Directory rank vs rivals

wp.org popularity rank over time · higher is better · when a rival's line climbs above yours, they've overtaken you

How often this plugin actually ships. A steady rhythm is the maintenance signal a single "last updated" date can't show.

Share of active installs on each version of this plugin · 100% run the current release. Green is the current release; a big slice on older versions is a user base that has stopped updating.

Refined from the date this plugin crossed into its current band.

No paid tier is visible, so we don't put a figure on revenue or sale value: that would be guessing. The install base is a real asset to an acquirer, just not one public data lets us price. A small install base leaves thin data to model from. A declining trend compresses what a buyer would pay.

1. ★★★★★ primerpizza

   7mo ago

   All set up but nothing arrives except the test email. This topic was modified 5 months, 1 week ago by primerpizza.

   Read on wp.org ↗
2. ★★★★★ faelmarcondeli

   1.1y ago

   3 templates for plan free is a Joke..

   Read on wp.org ↗
3. ★★★★★ Nico_S

   1.8y ago

   As far as I could see, the plugin seems to work Ok, it’s a shame I can’t say the same for the ‘practices’ of the company.

   Read on wp.org ↗
4. ★★★★★ savagemic

   3.4y ago

   The mailersend application is fantastic. I can’t speak highly enough about deliverability and functionality. However, if you are using this as a transactional email system for WooCommerce you cannot use the mailersend templates (which are particularly good) and have Mailersend send other WordPress-related emails, such as comment notifications and other emails such as Gravity Form entries. You cannot run this plugin and the MailerSend WooCommerce plugin together as it will create a critical WordPress error on transactional email sends. This seems like an oversight and I’m not really sure why these two plugins cannot be one and handle not only transactional WooCommerce but also WordPress emails.

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5. ★★★★★ xyrik

   3.4y ago

   I don’t understand why reviewers gave this plugin a negative review “for not working” because it works perfectly. They must have forgotten to verify their account with MailerSend. The domain verification and account approval took less than a day to complete and I could send out emails in a blink of an eye. I switched to MailerSend because my Namecheap SMTP took twice the amount of time to post my contact form. With MailerSend, form submission takes 3-4 seconds. Kudos and thumbs up to the developers! I highly recommend MailerSend!

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6. ★★★★★ vikx01

   3.6y ago

   I have a mailersend account. I checked my creds many times and set them correctly in the plugin. But every time I test I get “wp_mail_failed – SMTP Error: Could not authenticate.”

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7. ★★★★★ rastrolab

   3.7y ago

   MailerSend’s SMTP plug in made it easy for us to integrate email in our website. Easy to set up, and great support. They also have well design email templates to make the job easier. We’ve been using it for a 5 months not and we’re happy with the service. Great for newbies and no-coders too.

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8. ★★★★★ Olaf Lederer

   3.8y ago

   <p>I’m using MailerSend as transactional email provider because they offer some great features that other providers don’t have.<br />Beside this they have a great deliverability, sending speed and the MailerSend interface is really nice.</p> <p>The plugin does a good job, but it’s much to basic in my opinion.<br />I’m missing features like:<br />- Import / export settings<br />- Custom email headers<br />- a simple log file (now I need to check every issue via the MailerSend portal)</p> <p>And why sending emails via SMTP and not via the MailerSend API?</p> This topic was modified 3 years, 2 months ago by Olaf Lederer. This topic was modified 3 years, 2 months ago by Olaf Lederer.

   Read on wp.org ↗

Recent releases and news for this plugin

1. — Version 1.0.8 Security fixes 1.0.8
2. — Version 1.0.7 Security fixes 1.0.7
3. — Version 1.0.6 Tested up to the latest WordPress version 1.0.6
4. — Version 1.0.5 Automated deployments 1.0.5
5. — Version 1.0.4 Tested up to the latest WordPress version 1.0.4
6. — Version 1.0.3 Update conflict list Tested up to the latest WordPress version 1.0.3

1 disclosed vulnerability on record for this plugin, fixed in the current version. Sites on older versions stay exposed until they update.

1. Medium · 4.3 MailerSend - Official SMTP Integration <= 1.0.7 - Cross-Site Request Forgery ↗
   2026-06-29 CVE-2026-13156 Cross-Site Request Forgery (CSRF) Affects <= 1.0.7 Patched in 1.0.8

Automated install-time checks, tested on PHP 8.1.12 · WP 7.0.1

Growth timeline

Install-tier crossings we have observed, and how long each tier took to outgrow

1. 2024-06-06 1K+ → 2K+ up after 440 days in tier
2. 2023-03-24 900+ → 1K+ up after 26 days in tier
3. 2023-02-26 800+ → 900+ up after 30 days in tier
4. 2023-01-27 700+ → 800+ up after 15 days in tier
5. 2023-01-12 600+ → 700+ up after 44 days in tier
6. 2022-11-29 500+ → 600+ up

Competes with

The plugins that solve the same job, ranked by shared tags then reach, closest match first. The letter on the right is each plugin's health grade (A best, F worst).

• WPO365 | MICROSOFT 365 GRAPH MAILER 10K+ installs · 4.7★ · 4 shared tags A
• SMTP Mailer 70K+ installs · 4.5★ · 3 shared tags A
• ActiveCampaign Postmark for WordPress 50K+ installs · 4.5★ · 3 shared tags C
• SMTP2GO for WordPress – Email Made Easy 30K+ installs · 4.8★ · 3 shared tags A
• Zoho Mail for WordPress 20K+ installs · 3.8★ · 3 shared tags B
• Send Emails with Mandrill 6K+ installs · 4.4★ · 3 shared tags B

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Drop a live Pulse card for MailerSend – Official SMTP Integration into a readme, a review or a deck. It updates itself.

MailerSend – Official SMTP Integration: 2K+ active installs, 2.8★ (12 reviews). Plugin Pulse (WP Mayor), as of 2026-08-29. https://plugins.wpmayor.com/plugin/mailersend-official-smtp-integration