FluentSMTP – WP SMTP Plugin with Amazon… vs Post SMTP – Complete Email… (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
FluentSMTP – WP SMTP Plugin with Amazon…
500K+ active installs
Free
Post SMTP – Complete Email…
400K+ active installs
Free + Premium
Quick Verdict
As of April 2026, FluentSMTP – WP SMTP Plugin with Amazon… has a higher user rating (4.8/5 from 365 reviews) and leads in active installations (500K+ vs 400K+). Both are free WordPress plugins. FluentSMTP – WP SMTP Plugin with Amazon… has accumulated 4.0M+ total downloads while Post SMTP – Complete Email… has 18M+. Post SMTP – Complete Email… has a higher support resolution rate (76% vs 30%).
Detailed Comparison
| Metric | FluentSMTP – WP SMTP Plugin with Amazon… | Post SMTP – Complete Email… | |
|---|---|---|---|
| Rating | 4.8/5 | ◄ | 4.7/5 |
| Total Reviews | 365 | ► | 518 |
| Active Installs | 500K+ | ◄ | 400K+ |
| Total Downloads | 4.0M+ | ► | 18M+ |
| Support Resolution | 30% | ► | 76% |
| Last Updated | 3 months ago | ► | 3 days ago |
| First Released | 2021 | 2017 | |
| Age | 5 years | 9 years | |
| WP Requires | 5.5+ | 5.6.0+ | |
| PHP Requires | 7.4+ | 7.0+ | |
| Business Model | Free | Free + Premium | |
| Latest Version | 2.2.95 | 3.9.1 |
Rating Breakdown
FluentSMTP – WP SMTP Plugin with Amazon…
Post SMTP – Complete Email…
Download Trends
Over the past 30 days, FluentSMTP – WP SMTP Plugin with Amazon… averaged approximately 2,326 daily downloads while Post SMTP – Complete Email… averaged 11,652.
Recent Reviews
FluentSMTP – WP SMTP Plugin with Amazon… Reviews
Unreliable
This doesn’t work. It doesn’t send or receive any emails. I don’t understand why it gets 5 star reviews. It’s useless and unreliable.
Very nice effort!
This plugin is good, as things should be good!
Great Plugin
This plugin connects WordPress with Enterprise Mailing and it does it like a charm. The setup takes a few steps, but these steps are straight forward and well documented. Considering that this is a fr
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.
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Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.