GoSMTP – SMTP for WordPress vs Site Mailer – SMTP Replacement, Email… (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
GoSMTP – SMTP for WordPress
500K+ active installs
Free
Site Mailer – SMTP Replacement, Email…
200K+ active installs
Free
Quick Verdict
As of April 2026, GoSMTP – SMTP for WordPress has a higher user rating (4.1/5 from 8 reviews) and leads in active installations (500K+ vs 200K+). Both are free WordPress plugins. GoSMTP – SMTP for WordPress has accumulated 2.1M+ total downloads while Site Mailer – SMTP Replacement, Email… has 1.8M+. Site Mailer – SMTP Replacement, Email… has a higher support resolution rate (100% vs 0%).
Detailed Comparison
| Metric | GoSMTP – SMTP for WordPress | Site Mailer – SMTP Replacement, Email… | |
|---|---|---|---|
| Rating | 4.1/5 | ◄ | 2.2/5 |
| Total Reviews | 8 | ► | 14 |
| Active Installs | 500K+ | ◄ | 200K+ |
| Total Downloads | 2.1M+ | ◄ | 1.8M+ |
| Support Resolution | 0% | ► | 100% |
| Last Updated | 1 month ago | ◄ | 1 month ago |
| First Released | 2023 | 2024 | |
| Age | 3 years | 2 years | |
| WP Requires | 5.5+ | 6.6+ | |
| PHP Requires | 5.5+ | 7.4+ | |
| Business Model | Free | Free | |
| Latest Version | 1.1.9 | 1.4.3 |
Rating Breakdown
GoSMTP – SMTP for WordPress
Site Mailer – SMTP Replacement, Email…
Download Trends
Over the past 30 days, GoSMTP – SMTP for WordPress averaged approximately 1,686 daily downloads while Site Mailer – SMTP Replacement, Email… averaged 2,033.
Recent Reviews
GoSMTP – SMTP for WordPress Reviews
Works great 👍
A simple SMTP plugin that just works. it’s easy to setup and configure. Unlike a lot of the more popular SMTP plugins, it doesn’t clutter your dashboard with useless menus that are only there to upsel
Super
Make it works in 2 clicks. Thanks
Works perfectly
Reliable and does what is supposed to do.
Site Mailer – SMTP Replacement, Email… Reviews
Site Mailer Glitch
I’ve been using Site Mailer for a while now. But I installed it for a new client and the plugin is not working. “Sorry there was a glitch. Try refreshing the page. if that does not resolve the issue t
it forces you to set a Reply-To address
I’m unfortunately not satisfied with Site Mailer because it forces you to set a Reply-To address in the plugin settings. There is no option to leave this field empty. For websites that use advanced
Installed without my consent
This plugin suddenly appeared on my site without me ever installing it. I can only assume it was pushed through an Elementor update, which is completely unacceptable behavior. Plugins should never
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Frequently Asked Questions
Is GoSMTP – SMTP for WordPress or Site Mailer – SMTP Replacement, Email… more popular?
Which has better ratings — GoSMTP – SMTP for WordPress or Site Mailer – SMTP Replacement, Email…?
Are GoSMTP – SMTP for WordPress and Site Mailer – SMTP Replacement, Email… free?
Which plugin has better support — GoSMTP – SMTP for WordPress or Site Mailer – SMTP Replacement, Email…?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.