Post SMTP – Complete Email… vs Mailgun for WordPress (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Post SMTP – Complete Email…
400K+ active installs
Free + Premium
Quick Verdict
As of April 2026, Post SMTP – Complete Email… has a higher user rating (4.7/5 from 518 reviews) and leads in active installations (400K+ vs 80K+). Both are free + premium WordPress plugins. Post SMTP – Complete Email… has accumulated 18M+ total downloads while Mailgun for WordPress has 2.6M+. Post SMTP – Complete Email… has a higher support resolution rate (81% vs 0%).
Detailed Comparison
| Metric | Post SMTP – Complete Email… | Mailgun for WordPress | |
|---|---|---|---|
| Rating | 4.7/5 | ◄ | 3.8/5 |
| Total Reviews | 518 | ◄ | 48 |
| Active Installs | 400K+ | ◄ | 80K+ |
| Total Downloads | 18M+ | ◄ | 2.6M+ |
| Support Resolution | 81% | ◄ | 0% |
| Last Updated | 3 days ago | ◄ | 2 months ago |
| First Released | 2017 | 2012 | |
| Age | 9 years | 14 years | |
| WP Requires | 5.6.0+ | 5.6+ | |
| PHP Requires | 7.0+ | 7.4+ | |
| Business Model | Free + Premium | Free | |
| Latest Version | 3.9.1 | 2.1.10 |
Rating Breakdown
Post SMTP – Complete Email…
Mailgun for WordPress
Download Trends
Over the past 30 days, Post SMTP – Complete Email… averaged approximately 11,652 daily downloads while Mailgun for WordPress averaged 573.
Recent Reviews
Post SMTP – Complete Email… Reviews
Critical and high severity vulnerabilities over and over again
We’ve been using Post SMTP for years. Initially, we started with WP Mail SMTP, but the free version didn’t include logging, while Post SMTP did, and that occasionally came in handy. So we switched to
Great Plugin
Great Plugin easy to config and troubleshoot.
Great Support for the setup of PostSMTP
Aqib was very helpful in setting up PostSMTP on my site. The plug-in is working very well.
Mailgun for WordPress Reviews
Simple, Reliable, and Honest
I’ve seen the negative reviews, but honestly my experience has been the opposite: the plugin just works, exactly as it should. Updates are rare, but that’s simply because the plugin is straightforward
Better than ever
I’ve been using this plugin for 5+ years now, and I’ve hardly ever experienced an issue. It allows me to easily use Mailgun to send emails on the WordPress sites I manage, and it’s always done its job
Sends email from WordPress via Mailgun service, that’s all, does it well.
Mailgun is an email delivery service aimed at sending transactional email for software developers. If you are not already using Mailgun to send email, then you don’t need or want this plugin. If you d
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Frequently Asked Questions
Is Post SMTP – Complete Email… or Mailgun for WordPress more popular?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.