Site Mailer – SMTP Replacement, Email… vs Kadence WooCommerce Email Designer (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Site Mailer – SMTP Replacement, Email…
200K+ active installs
Free
Kadence WooCommerce Email Designer
100K+ active installs
Free
Quick Verdict
As of April 2026, Kadence WooCommerce Email Designer has a higher user rating (4.5/5 from 142 reviews) while Site Mailer – SMTP Replacement, Email… leads in active installations (200K+ vs 100K+). Both are free WordPress plugins. Site Mailer – SMTP Replacement, Email… has accumulated 1.8M+ total downloads while Kadence WooCommerce Email Designer has 2.1M+.
Detailed Comparison
| Metric | Site Mailer – SMTP Replacement, Email… | Kadence WooCommerce Email Designer | |
|---|---|---|---|
| Rating | 2.2/5 | ► | 4.5/5 |
| Total Reviews | 14 | ► | 142 |
| Active Installs | 200K+ | ◄ | 100K+ |
| Total Downloads | 1.8M+ | ► | 2.1M+ |
| Support Resolution | 100% | N/A | |
| Last Updated | 1 month ago | ◄ | 4 months ago |
| First Released | 2024 | 2018 | |
| Age | 2 years | 8 years | |
| WP Requires | 6.6+ | 5.3+ | |
| PHP Requires | 7.4+ | 5.2.4+ | |
| Business Model | Free | Free | |
| Latest Version | 1.4.3 | 1.5.18 |
Rating Breakdown
Site Mailer – SMTP Replacement, Email…
Kadence WooCommerce Email Designer
Download Trends
Over the past 30 days, Site Mailer – SMTP Replacement, Email… averaged approximately 2,033 daily downloads while Kadence WooCommerce Email Designer averaged 280.
Recent Reviews
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
Kadence WooCommerce Email Designer Reviews
Was great, not working now
Was one of the best WooCommerce email design plugins available, but it stopped working with the latest WordPress or possibly Elementor. Email sent with the default WooCommerce template, and unable to
Preview doesn’t reflect result
I had high hopes and customisations looked great in preview. Unfortunately the actual emails distributed by this system looked nothing like the preview! There was no header styling and header backgrou
Worked great until it didn’t
Stopped working recently with an update from wordpress or maybe elementor. It’s free, so maybe they don’t update it much. It was good up until now. Have to switch to another.
More Email Worth Comparing
Top alternatives in the same category as Site Mailer – SMTP Replacement, Email… and Kadence WooCommerce Email Designer
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Frequently Asked Questions
Is Site Mailer – SMTP Replacement, Email… or Kadence WooCommerce Email Designer more popular?
Which has better ratings — Site Mailer – SMTP Replacement, Email… or Kadence WooCommerce Email Designer?
Are Site Mailer – SMTP Replacement, Email… and Kadence WooCommerce Email Designer free?
Which plugin has better support — Site Mailer – SMTP Replacement, Email… or Kadence WooCommerce Email Designer?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.